San Pedro?, unidentified 1969

San Pedro?, projected workings, around 1525 ca1969

San Pedro?, workings, part 1 1970

San Pedro?, workings, part 2 1970

San Pedro, workings 1969

D-4 and D-5 raise, Almaden 1969

San Pedro workings 1969

San Pedro, open pit assay samples 1969

Dolores Taranga 1462, floor level, rat damage 1968

San Pedro, 1515, DT 1461.77, survey coordinates, geology? 1969

Almaden, April workings 1969

Almaden, April workings 1969

D-4 raise, Dolores Taranga 1969

Almaden 600, New Idria 1969

Subsurface contour map, San Pedro

Almaden Shaft and April Tunnel area 1968

San Pedro, open pit 1969

Randol, Santa Isabel, cross section to 2000 level, old #3

Randol, Santa Isabel, cross section to 2100 level, old #4

Randol, Santa Isabel, cross section North and South, Becker/United States Geological Survey folio, old #5 1888

Randol, Santa Isabel, cross section East and West, Becker/ United States Geological Survey folio to 2100 level, old #6 1885

Randol, Santa Isabel, cross section East and West to 1800 level, blue print, old #7 1880

Randol, Santa Isabel, cross section East and West to 1800 level, blue print, old #7 1880

Randol, Santa Isabel, cross section East and West to 1800 level, blue print, old #8 1880

Randol, Santa Isabel, North and South vertical section, old #9 1880

Randol, Santa Isabel, blueprint, old #9 1880

Randol, Santa Isabel, tunnel profile with pencil notes, old #21 1890

Randol, Santa Isabel, tunnel mouth, plan for planilla, old #22 ca1878

Randol, Santa Isabel, tunnel section profile to shaft, old #23

Randol, Santa Isabel, Santa Isabel and stopes to Mine Hill, old #25

Day Tunnel plan to Randol, old #261

Randol 1500 level, old #35

Santa Isabel 2200 level, old #36

Randol 1600 level, old #40

Randol Hanging Walls (see 47) old #50

Randol, West vertical section, Cornish drift to 900, old #105 1873

North Randol 1000 to O'Brion, tracing of old map?

North Randol 900 level

Shaft map, Victoria and North Randol

Pruyn drift plan, workings 1870

South Randol, Hanging Walls, 587-2033 levels, old #11 1885

South Randol, Santa Isabel, Church Shaft, cross section, lower 1600-2450, old #12

Santa Isabel, Horizontal section, 1400 level, dates of work, old #13 1888

Santa Isabel, 1050-1600-2300 levels, geology, Buena Vista, old #19 1877

Santa Isabel, 1900 level, old #44

Randol, hanging walls, drifts run on vein of no. production, old #47

Randol, reduction

Santa Isabel, Randol 1700 level, old #49

Randol, Santa Rita West to 1700, see 24A, blueprint, old #52 1885

Randol, Santa Rita West to 1700, see 24A, blueprint, old #52 1885

April Tunnel 1969

April Tunnel Section 1969

NAE-2, Proposed April Tunnel drift 1245 1968

NAE-8, Approximate section line along proposed haul road, April Tunnel 1968

April Tunnel Benches 1969

April Tunnel washout profile 1969

April Tunnel Area, survey co-ordinates? 1969

NAE-7, April Tunnel turn about 1969

NAE-6, April Tunnel proposed haulage road 1969

April Tunnel, elevations, pencil 1969

April Tunnel, haulage road 1969

April Tunnel, turn about 1969

Shaft Map, Santa Isabel

Randol Shaft, tagboard with photographs pasted on

RRB shaft, tagboard with photographs pasted on

Shaft Map, Santa Isabel, Drain Tunnel

Shaft Map, Buena Vista shaft

Shaft Map, Randol Tunnel

Shaft Map, Santa Isabel Shaft, date drilled, and how far

Shaft Map, Randol Shaft, color

Shaft Map, Randol Tunnel, color

Randol Shaft, color

Plan of the underground works, America, San Pedro, San Mateo, Providence, Enriquita, old #240A 1889

America Shaft, upper tunnel to 1400, plate 16, old #510 1888

America, upper and lower tunnels, plate 21, old #511 1888

America, upper and lower tunnels and elevations, old #512 circa 1868

America, upper and lower tunnels, old #513

America, upper and lower tunnels, San Pedro, Hacienda Tunnel on verso, old #514 circa 1883

New Lower America 675, old #515 1966

America, workings, new 650 cross-cut, see 520, 522, old #519 1966

America, up to date, color, old #520 1966

America, up to date, color, old #521 1968

America, small photos, see 523, old #521b 1968

America, up to date, 650 new tunnel, same as 520, old #522 1966

America, 1940 plan, original, old #523 1962

America, 1940 plan, positive blueprint, old #523 1962

Old Underground workings, see 520, positive blueprint 1966

America workings, color, matted

America Shaft, cross section, color 1968

America, 700 level 1968

America, 600 level 1968

America, 500 level 1968

America shaft, vertical cross section E. W. 1969

Plan of the underground works of the Quicksilver Mining Company, Providence-Enriquita, America, San Pedro, San Mateo, old # 240B 1889

Plan of the underground works of the Quicksilver Mining Company, Providence-Enriquita, America, San Pedro, San Mateo, old # 240C 1889

Grade Eldredge Tunnel, notes attached, old #530 1924

Providencia, Ravine Tunnel, old #532

Moerlein Tunnel, Enriquita, Frederick Tunnel, old #537

Enriquita works, lower levels with proposed raise, color, old #538 1962

Enriquita works, vertical section, old #539 1962

Providence-Enriquita, photocopy of original?, old #544B 1935

Providencia, Jack Escover, Yellow Kid, Jr., old #544E1 1961

Providencia, general workings, old #544E2 1966

Enriquita, Moerlein drift and connection to old Main Tunnel, pencil, color, old #544G 1964

Enriquita, Moerlein drift and connection to old Main Tunnel, pencil, color, old #544H 1964

Providencia Tunnel, Escover works, old #544I

Providencia Tunnel, old works, 1864 copy from Charley, old #544I2

Enriquita, Moerlein drifts, contour map of Providencia on verso, old #544K 1965

Providencia, elevations from Engine Flat (Enriquita), old #544M

Providencia, elevations from Engine Flat (Enriquita), old #544M

Providencia, black, old #544M2

Enriquita, rough sketch Eldredge tunnel, old #544O

Providence-Enriquita photocopy (see 544B), different scale, negative and blueprint, old #544Q 1935

Providencia, recent work from Escover shaft, old #544V 1966

Enriquita Mine, color, old #526A

Shaft map, Enriquita Dump

Main shaft, tunnel plan, color

Enriquita Villiage after Louis Janin, plastic

San Antonio, surface geology, upper crosscut, old #554 1962

Guadalupe furnaces, 1 and 4, old #651 1879

Guadalupe Mine 1875/1880

Guadalupe, Portland Cement Co., Confidence Gold Mine Mill, old #602 1926?

General plan of gold mill, blueprint, old #652 1917

General plan of gold mill, blueprint, old #652 1917

Ella Copper Co. (Marg.), Cannon & San Vicinte, old #331 1902

Ella Copper Co. (Marg.), Cannon & San Vicinte, old #337 1902

Idria Mine, Austria, Tafel I, old #328 1880

Northwest Mine, old #332

Strawberry Mine, surface geology 1962

Strawberry Mine, surface geology 1962

Strawberry Mine, Tungsten, surface geology 1962

Plan of the hoisting works of the Guadalupe Quicksilver Mine 1879

Map of the Guadalupe mine in Santa Clara County, pieces of map taped together

General Map, #1, #2, 1938 adits, 520-530, blueprint of 569N, old #563 1964

San Mateo, composite long projection, vertical cross section along E-F, old #566 1964

San Mateo, composite, vertical cross section along C-D, old #567 1964

San Mateo, new works, to overlay, old #569B 1966

San Mateo, 135 level, 1924, old 569C

San Mateo, modern work, to overlay map by Frederick, old #569E 1966

San Mateo, cross section C-D, see 567, old #569F 1961

San Mateo, cross section A-B, see 568, old #569G 1964

Plan 1924 shaft (125) and Derby creek Tunnel, old #569H

San Mateo, composite vertical cross section E-F, old 569I 1964

San Mateo, composite vertical cross section E-F, old 569I 1964

Plan 1924 shaft and Derby Creek Tunnel #1, same as 569H, old #569K 1964

San Mateo, horizontal, #1 Moerlein works, old #569M 1964

Old works, Schneider crosscut, #1, #2, 1935, 520-530, old #569N 1964

San Mateo, composite from book 46 surveys, old #5690 (1900) 1964

San Mateo, horizontal and vertical profile, old #569P 1874

Plan of the Senator mine, surface 500, old #570 1916

Senator workings, 125-1300, with Guadalupe property line, old #571 1935

Senator workings under Landers, Juessen, model made from this, old #585 1909-19, 1919

Senator workings under Landers, reverse print 1919

Senator?, 300 level, old #586

Senator?, 125 level, old #587

Senator?, 400-500, old #588

Senator?, 500-600, old #589

Senator?, 500-600, old #589

Senator?, 600 to start 800, old #590

Senator?, 125-800, old #591

Senator?, 125-800, old #591

Senator?, 800-1000, old #592

Senator?, 300-500, vertical and horizontal, old #594

Senator?, 550-700, #2 vein stope section, vertical, old #595

Vein #2, logitudinal section in in plane of shaft, 260-900, start 1000, old #596

Vein #3, hanging wall vein, longitudinal section of plane in shaft, old #597

Projection on vertical plane, N50°W, surface-1200, old #598

Vertical section sketch map with second exits for fire, 260-1000, blueprint, old #599

Senator workings, 125-1300, see 571, color 1935

Elevation of the Senator Mine, vertical cross section, old #573 1916

Senator Mine, Map and Model of principal workings showing location of all known ore bodies, color 1919

Senator mine, in part, color 1917

Hacienda and Senator Mines 1918

New Almaden Underground Workings, General, Santa Rita, Theatre, Randol, old #10 1880

Profile and plan of Randol, Isabel, Main, New World, Day, old #262

Main Tunnel Workings, old #100 1878

Main Tunnel Workings, reduction 1878

Main Tunnel Workings, reduction 1878

New Almaden Mine Levels, old #101A circa 1860

New Almaden Mine Levels, old #101B circa 1860

Mine Hill, apex to furnaces, profile of various tunnels, Plate 13, original, old #103 1875

Mine Hill, Santa Rita, San Francisco, Almaden, old #112

Mine Hill, San Francisco, blueprint, old #188 1882

Mine Hill, reduction of Bailey plate, old #190A 1954?

Valasco to San Francisco, vertical section, old #230 1880

Photo of Mine Office map on roller section, old #234

New Almaden Mine plan, color, old #235A 1885

Randol, San Francisco, partial, old #236

New Almaden Mine plan, copy of 235A [13-20], old #237 1885

New Almaden Mine plan, Diamond hole drill #7, vertical section, old #219L

New Almaden Mine plan, Diamond hole drill #7, vertical section, old 219C

New Almaden Mine plan, Diamond hole drill #7, vertical section, old 219C

Healey glass model sections, 25 paper sections, 7 paper sections of New World, old #325 1874

Mine Hill, coordinate sections, old #342 1889?

New Almaden, General, reduction of Mine office map, old #349I

Washington, Mine Hill works, cross section, old #432

Alamaden shaft survey notes and elevations, Santa Mariana in detail, old #452 1942

Enriquita, Providencia, San Mateo, America, San Pedro, original, old #528 1888

Enriquita, Providencia, San Mateo, America, San Pedro, blueprint, old #528 1888

Enriquita, Providencia, San Mateo, America, San Pedro, blueprint, old #528 1888

Enriquita, Providencia, San Mateo, America, San Pedro, blueprint, old #528 1888

Plan of Drifts run on vein of the north portion of the mines, blueprint

St. George, composite map 1971

Victoria and Randol, 900' level

United States Bureau of Mines Project 420, General plan, Santa Rita to Washington, blueprint

Plan of the New Almaden Mine, blueprint

Plan of the New Almaden Mine, blueprint

Cora Blanca, old #232

Cora Blanca, old #232

Hacienda Tunnel

Trinidad Drift, San Rafael, San Jose Labore, La Esperanza, color, old #326B

Potential Drill site, old #564 1938

Working map of the the lower levels of the New Almaden Mine, color 1878

Plan of the New Almaden Mine 1856-1864

Tunnel Plan, New JC shaft 1900

Tunnel Plan, Buena Vista Incline

Tunnel Plan, O'Brion

Tunnel Plan, St. George

Tunnel Plan, Deep Gulch Tunnel

Tunnel Plan, Relief cross cut

Tunnel Plan, Santa Clara Drift

Working Map of the lower levels of the New Almaden Mine, color

Tunnel Plan, Don Frederico, color

Tunnel Plan, West Drift, Grey Crosscut

Tunnel Plan, Great Eastern Tunnel

Wood road, Washington shaft

Plate of the property of the Quicksilver Mining Company, Main fissures, blueprint 1923

Connecting New Almaden Shafts 1873

Tunnel Plans, Randol, St. George, Buena Vista, Santa Isabel Shaft

Tunnel plans, Washington, Almaden, America, Santa Rita

Garfield shaft, part of a larger map, color

Plan of the New Almaden Mine

Plat of the Property of the Quicksilver Mining Company, blueprint

Plat of the Property of the Quicksilver Mining Company, blueprint

Tunnel plan, Old Works, color

Tunnel plan, tracing

Map in 17 parts

Tunnel plan, Santa Rita, Day Tunnel, La Ardilla, Main Tunnel

Geology of Santa Rita 1941

Map showing 25 right of way through lands of Quicksilver Mining Company 1907

San Jose and Almaden Railroad crossing of Southern Pacific railroad 1911

Cross section, original, color, fragment

Cross section, tracing

San Jose/Almaden railroad, 14 pieces, old #662

San Jose/Almaden Railroad, branch line #1, blueprint, 28 pieces, #601

Profile, crossing of Redmond and McAbee and Southern Pacific Railroad, 2 pieces, old #601B

Right of way, Almaden branch Arroyo Seco/Uvas road, old #603 1886

Survey, Almaden branch Arroyo Seco/Uvas road, old #604 1910

Station plans, Southern Pacific Coast railroad, old #605

SPCRR plans, New Almaden to Calero, old #616 1887

SPCRR plans, crossings

SPCRR plans, blueprint

Central Pacific Railroad/Rancho San Antonio

South Pacific Coast railroad, Los Gatos to San Jose

Narrow/broad gauge railroad

Cora Blanca, upper level geology, old #80 1942

Cora Blanca, 700-800 level geology, old #81 1942

Cora Blanca, upper tunnel with geology, old #89 1942

Cora Blanca, upper tunnel with geology, old #89 1942

Main Shaft, 600 level, old #130 1942

Main Shaft, 500/600 junction, old #131 1942

Geological to 4/1/41, old #153 1941

Geological assays to 4/1/41, old #154 1941

Geological assays to 5/1/41, old #155 1941

Geological assays to 7/1/41, old #156 1941

Geological assays to 8/8/41, old #159 1941

Geological assays to 9/1/41, old #160 1941

Geological assays to 10/2/41, old #161 1941

Geological assays to 11/1/41, old #162 1941

Geological assays to 12/12/41, old #163 1941

Geological assays to 12/12/41, old #164A 1941

Geological assays to 12/12/41, old #164B 1941

Geological assays to 12/12/41, old #165A 1941

Geological assays to 3/1/42, old #166 1942

Geological assays to 5/1/42, old #167 1942

Mine Hill surface contours of of geology, old #189B

Geological section G-H, color, old #206 1935

Geological section G-H, color, old #206 1935

Geological section A-B, color old #207 1935

Geological section A-B, color old #207 1935

Geological section E-F-, color, old #208 1935

Mine Hill trenches and assays, old #210 1940

Mine Hill 300, Juan Vega, Santa Rita, and San Pablo, old #215

Santa Rita junction 600-650, old #2190 1946

Ventura, Santa Rita, and junction 600-650, old #219R 1940

Mine Hill 600-700, old #219S 1940

300 Juan Vega addition to Pruyn works, old #219Y

Mine Hill contours with geology, plate 1, old #283

Mine Hill contours with geology, plate 1, old #302

Mine Hill contours with geology, plate 1, 6 copies, old #308

Geological section C-D, color, old #349J 1935

Geological section C-D, color, old #430 1935

America 500-700, old #517 1962

Geological section U-V, color, 2 copies, old #6001 1935

Geological section S-T, color, 2 copies, old #601 1935

Geological section Q-R, color, old #602 1935

Geological section Q-R, color, old #603 1935

Almaden, April tunnel, 2 copies, old #10-6 1968

San Pedro, San Cristobal, 3 copies, old #10-10 1969

500, Harry, old #10-11 1969

Almaden 500, 3 copies, old #10-10 1969

1500, 3 copies, old #10-11 1969

22000-2600N/4800-5200W, Mine Hill copies, Santa Rita area

22000-2600N/4800-5200W, 300 Juan Vega-Pruyn

22000-2600N/4800-5200W, 600-650

1400-1800N/4800-5200W, Mine Hill copies, old Mine Hill area, 600

1400-1800N/4800-5200W, Far West, 700

1400-1800N/4800-5200W, La Ventura, El Collegio, 500

1400-2200N/4600-5200W, composite 500-650

10-18N/40-32W, Cora Blanca 500

10-18N/40-32W, Cora Blanca 600

10-18N/32-40W, composite Cora Blanca, Harry 600-700

10-18N/32-40W, Cora Blanca 700-800

San Cristobal and 300 level

San Francisco shaft, 500 and 400

800 to Warren stope

-551 to -1249 feet below sea level, 3 copies

-451 to 1250 feet, 3 copies

-351 to 1449 feet, 3 copies

-251 to 1549 feet, 3 copies

-151 to 1649 feet, 2 copies

-51 to 1750 feet, 2 copies

D-4 raise, Almaden 500N/62°E 1969

DH93 raise, Almaden 353°W 1969

April 500N/89°E

San Cristobal, April, Santa Rosa north, 51°E

Parallel through April 503

D-5 raise through Almaden north 31°E 1969

Almaden through St. George S17°, 30W 1969

San Pedro, San Cristobal 1968

Plan of stopes and 800 level geological section GH 1935

San Antonio works 1962

Mine Hill, Assay and progress map, 50 bench 1941

Old stopes, Mine Hill assay

Mine Hill geology 1941

Mine Hill geology 1941

Strawberry tungsten Mine surface geology, 10 foot contour 1962

A77 subsurface contour map, contact 3, plate 6

A4 geology, San Cristobal, blueprint

A22 geological cross section through A503, R1, San Cristobal/April 1968

A84 geology and topography, America mine, plate 3, 2 copies

Santa Rita, cross section

Loma Prieta, California 1955

Cora Blanca, contours, old #65

Mine Hill, contours, 40 intervals, proposed Robles Tunnel to Almaden shaft, old #195 1955

Mine Hill, contours, 40 intervals, proposed Robles Tunnel to Almaden shaft, old #196 1958

Mine Hill, 20 intervals, principal stopes, levels, and dumps, old #197 1917

Mine Hill, 20 intervals, principal stopes, levels, and dumps, old #B64 & #205 1917

Mine Hill, ore bodies, United States Geological survey Becker monograph #13, sheet 8, old #231 1885

Local geology, old #267

Topographical sections of property, Mockingbird Hill road west, old #286 1883

Topographical sections, Day Tunnel creek, Santa Isabel creek area, old #287 1883

Topographical sections, opposite Providencia, Alamitos side, old #288 1883

Topographical sections, near ridge line, old #290 1883

Topographical sections, Capitancillos creek, America mine north and west old #291 1883

Topographical sections, Graveyard hill, San Francisco, old #292 1883

Topographical sections, 20 intervals, with surface features, Church shaft to Gray and Washington, old #298

Almaden road and Sugar Loaf, old #315 1883

Hacienda, old #316 1884

Hacienda and road toward San Jose, old #317 1884

Mine Hill stopes, United States Geological Survey becker monograph #13, sheet #8, old #317A 1885

Santa Teresa hills, Almaden area, reverse print, old #320A 1953

Santa Teresa hills, Almaden area, reverse print, old #320A 1953

Guadalupe Mine, old #334 1942

Almaden shaft and April tunnel, original 1968

Almaden shaft and April tunnel, blueprint 1968

Almaden shaft and April tunnel, blueprint 1968

Cora Blanca, with railroad

Harry, Cora Blanca, with creek

New Almaden quadrangle, plastic film 1916

Santa Teresa Hills, 1 negative print, 7 positive 1953

Harry, Cora Blanca, with trees and roads, color

Santa Rita shaft 1941

Santa Rita shaft, blueprint 1941

Enriquita

Topographical map, unidentified

Cross section, section I-I1, J-J1, H-H1, cubes 18 & 20

Cross section, section A-A1, B-B1, C-C1, D-D1, E-E1, F-F1, G-G1, cubes 205, 260, 250, 98, 30, 50, 75

Topographic with tunnel plan

Santa Rita, pump draft on verso 1941

Map of the Guadalupe Quicksilver mine 1879

Topographic map 1887

Topographic map of part of Mine Hill 1942

Topographical section, index sheet, New Almaden district 1968

Topographical section, New Almaden district, 13-1 1968

Topographical section, New Almaden district, 13-2 1968

Topographical section, New Almaden district, 13-3 1968

Topographical section, New Almaden district, 13-5 1968

Topographical section, New Almaden district, 13-6 1968

Topographical section, New Almaden district, 13-7 1968

Topographical section, New Almaden district, 13-10 1968

Topographical section, New Almaden district, 13-12 1968

Topographical section, New Almaden Mine, 10-1 1968

Topographical section, New Almaden Mine, 10-2 1968

Topographical section, New Almaden Mine, 10-3 1968

Topographical section, New Almaden Mine, 10-5 1968

Topographical section, New Almaden Mine, 10-6 1968

Topographical section, New Almaden Mine, 10-6 1969

Topographical section, New Almaden Mine, 10-7 1968

Topographical section, New Almaden Mine, 10-10 1968

Topographical section, New Almaden Mine, 10-11 1968

Topographical section, New Almaden Mine, 10-12 1968

Topographical section, New Almaden Mine, 10-14 1968

Topographical section, New Almaden Mine, level sheets, plastic, 1-2

Topographical section, New Almaden Mine, 1-4

Topographical section, New Almaden Mine, 1-8

Topographical section, New Almaden Mine, 1-11

Topographical section, New Almaden Mine, 1-12

Topographical section, New Almaden Mine, 1-15

Topographical section, New Almaden Mine, 1-16

Topographical section, New Almaden Mine, 2-1

Topographical section, New Almaden Mine, 2-5

Topographical section, New Almaden Mine, 2-6

Topographical section, New Almaden Mine, 2-9

Topographical section, New Almaden Mine, 2-10

Topographical section, New Almaden Mine, 2-13

Topographical section, New Almaden Mine, 2-14

Topographical section, New Almaden Mine, 3-3

Topographical section, New Almaden Mine, 3-31

Topographical section, New Almaden Mine, 3-4

Topographical section, New Almaden Mine, 6-16

Topographical section, New Almaden Mine, 7-1

Topographical section, New Almaden Mine, 7-13

Topographical section, New Almaden Mine, 10-1

Topographical section, New Almaden Mine, 10-2

Topographical section, New Almaden Mine, 10-3

Topographical section, New Almaden Mine, 10-4

Topographical section, New Almaden Mine, 10-5

Topographical section, New Almaden Mine, 10-6

Topographical section, New Almaden Mine, 10-7

Topographical section, New Almaden Mine, 10-8

Topographical section, New Almaden Mine, 10-10

Topographical section, New Almaden Mine, 10-11

Topographical section, New Almaden Mine, 10-12

Topographical section, New Almaden Mine, 10-14

Topographical section, New Almaden Mine, 10-15

Topographical section, New Almaden Mine, 10-16

Unidentified

Unidentified

Unidentified

Randol shaft section from mouth of tunnel, old #51

Profile and plan, water line, Black Spring to mine, old #261 1882

Plan of furnace yard, old #305 1879

Plan of furnace yard near Vichy Springs, old #269 1879

Plan of Quicksilver Mining Company lands, original, old #275 1888

County map of the New Almaden area #8, old #276

Woodland and Mt. Umunhum areas, old #278

Plat of the Quicksilver Mining Company lands, old #279 1888

Hacienda, all buildings, elevations, monuments, part 1, old #284

Hacienda, all buildings, elevations, monuments, part 2, old #285

Providencia and Enriquita, old #289 1883

Santa Isabel and surroundings, old #296 1883

Plat of the Quicksilver Mining Company lands with 1956 annotations, 13 copies, old #301 & #275 1888

Plan of furnace yard, old #307 1875

Insurance map for Hacienda and Senator, old #309 1918

Insurance map, buildings around Garfield shaft, old #310 1882

Map property, tract #3, old #320 1926

Profile, Randol planilla to Hacienda, old #339 & #B29 1888

Section of furnace yard, old #341 1888

Trestle, Santa Isabel to Planilla, old #343

Plan of Hacienda buildings, Mine Hill buildings, matted, old #344 1917

James Harry's ranch, sold by Quicksilver Mining Company, old #349 1887

Plat of lands, sections 17-30, old #349A & #A17

M. Costello right of way, old #349B 1907

New Almaden park, old #349C 1923

Hacienda, old #349D

Acres and tax sections, old #349H

Plan of furnace yard, old #367 1879

Insurance map, Senator Mine buildings, old #599A 1916

New Almaden property line 1968

Tentative map for P. S. Schneider, parcel A & B based on surveys 1964

Diagram of a portion of Capitancillos and adjacent property, 2 copies 1962

Plat of the New Almaden property, mineral grounds for tax purposes

Plat of the New Almaden property, tracing

Almaden reservoir property 1954

Plant site, contours 5 feet with road 1941

Plant site, contours 5 feet with road 1940

Gas and electric utilities plan

Acreage and tract map, including Capitancillos, Vicente, Pueblo 1955

Alamitos road right of way, exhibit A 1963

Plat to accompany description of water tank site for Del Webb Corporation 1966

Record of survey for P.S. Schneider 1964

Mt. Umunhum tracts of land and easements, vicinity map insert 1955

Guadalupe reservoir property map, 2 copies 1947

Arroyo and Alamitos road to Almaden Way, old #A78 1969

Map of block B Almaden manor with Alamitos road 1963

Portion of Capitancillos and adjacent property, Guadalupe line survey, color, 2 copies 1962

Alamden roadway construction sheet, sheet 5 of 8 1966

Right of way, Almaden road 1966

Map of the region adjacent to the bay of San Francisco 1873

Map section of San Jose, Almaden, old #336

Plat, land located for Z Jones, Josiah Belden, photocopy

Plat of the property of the Quicksilver Mining Company, from Gunst Z239 T14 J67, 2 pieces

San Jose area, South Bay, Northern California, 2 copies

Thomas Brothers map of San Jose, Santa Clara and vicinity

Plat of the part of the Rancho de los Capitancillos 1841

Exhibit Douglada annexed to deposition of Doming Douglada 132, United States District Court, United States vs. Charles Fossat 1861

Exhibit J.T.S. #3 to deposition of J.T. Stratton 1861

Exhibit J.T.S. annexed to deposition of William J. Lewis, Parrott 1861

Map of the Rancho de los Capitancillos, exhibit 1861

Plat of the part of the Rancho de los Capitancillos finally confirmed to Charles Fossat 1861

Plat of the part of the Rancho de los Capitancillos finally confirmed to Charles Fossat 1861

Plat of the Rancho San Vicente 1861

Plat of the Rancho de los Capitancillos, matted 1860

Plat of the Rancho Canada de los Capitancillos 1871

Plat of the Rancho Canada de los Capitancillos, photocopy 1871

Map of the Rancho de los Capitancillos, old #251

Pueblo and Rancho grants

Photograph of tunnel plan, mounted, old #233

Unidentified 1882

Unidentified

Unidentified 1882

Unidentified, 1300 level

Unidentified, 1300 level

Faull tunnel, Deep Gulch tunnel, Cora Blanca shaft

New Ardilla shaft, Junction shaft

Theatre, Bush tunnel

Rattle snake drift

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Unidentified, matted, color

Cristobal tunnel, San Cristbal

Main tunnel

Unidentified

Unidentified

Unidentified

Unidentified

Unidentified

Unidentified

Unidentified

Unidentified

Vertical section along the center line of the new tunnel, old #182 1858

Unidentified

Unidentified

Labore 10

Unidentified

Unidentified

Unidentified

Unidentified, old #593

Buena Vista incline, old #14

Unidentified, fragment

Randol crosscut, New Santa Rita West

Randol crosscut, Juan Macios tunnel, West drift

Pearce, Don Federico

Unidentified

Harry tunnel, water tunnel

Unidentified

McKinley tunnel, Cora Blanca tunnel

Don Frederico, O'Brion

West drift

Unidentified

Unidentified

Buena Vista incline

Santa Isabel shaft

Sycamore tunnel, West Isabel tunnel

Church shaft

St. George shaft

A. Robles tunnel

Day tunnel

Day tunnel incline