Hurst Snapshots of Building of Marigold No.5 Dredge, Marysville (Largest Dredge Built by Union Iron Works - 16 cu. ft. Buckets) 1916
Loose prints, various
Negatives - Construction of Couch No. 1 Dredge
Risdon Iron Works Photo Album
Large prints, most mounted
Large prints - Natomas, Merced
Large prints - Shasta Butte Dredging Co. working near Feather River South of Oroville
Large prints - Gold Hill Dredging Co. working near Biggs, California 1938
Large prints - Gold dredge for Ira D. McCoy in Butte Creek Canyon East of Chico 1936
Stamp Mills - Rand binder of articles
Concentration - Tube Mills binder of articles
Amalgamation - Cars - Cages - Hoists - Gallows Frame binder of articles
Smelting - Reverbatory Furnaces - Cyanide Plants binder of articles
Miscellaneous Mining - Dredging - Copper, Lead, Zinc Smelting binder of articles
Miscellaneous Maps, Tables, Specifications, Sketches binder of articles
Risdon Iron Works - Agents' & Salesmen's Price Book circa 1904-1911
Risdon Iron Works - Victor M. Braschi & Hermanos Price Book
Unlabeled notebook of plans, sketches, notes
Union Iron Works Price Book 2
Union Iron Works Price Book 3
Union Iron Works Price Book 10
Dredging plans and specifications (2 notebooks "property of George L. Hurst")
Union Construction Company Field Log ( notebook "property of George L. Hurst, 544 Market Street") 1922
Hurst memo pad sheets
Hurst notebook containing list of dredges, costs & miscellaneous information
Chas. McGinn[?] Union Iron Works notebook 1892-1900
Peter C. Jurs Union Iron Works notebook
Notebook of mining equipment costs by project circa 1900
Risdon Iron Works catalog/price list with annotations (Frank E. McCormick)
"Stamp Mills" notebook
Risdon Iron & Locomotive Works Price Book
Elevator Calculation notebook
Union Iron Works Company Standard Sub-Division of Costs - Marine Departments 1916
Supplementary Contract For the Construction of Torpedo-Boat Destroyer (Mr. P.C. Jurs, Union Plant, Bethlehem Shipbuilding Co.") 1916-1917
Union Iron Works Company Card of Accounts 1917
Heine Safety Boiler Co., Price Book, St. Louis, Mo.
American Iron And Steel Institute - Maximum Prices For Iron & Steel Products
Prentice-Hall Federal Tax Service Volume 1 1922
Four notebooks listing dredging projects and tools circa 1913-1930
Risdon catalogs (bound by Mining Association of the University of California) circa 1897-1910
Risdon catalogs (unnumbered, 4-5, 8, 12, 16, 17) 1896-1909
Union Iron Works catalogs
Union Construction Company catalogs
Bethlehem catalogs
Yuba Construction Company - Yuba Manufacturing Company dredging catalogs & blank stock certificate
Miscellaneous catalogs
Risdon gold dredge contract & specifications - Feather River Exploration Co. 1902
Tabulation of Specifications and Costs of Risdon Dredges
Large blueprints and plans
Bethlehem Steel Supervisor's Conference Series circa early 1940s (WWII)
Article clippings 1964, 1968, 1971, 1980
Miscellaneous mining and dredging publications
Audio recording of George P. Hurst discussing collection (1 cassette)
Wooden model of dredge bucket designed by George L. Hurst
Bethlehem/Union Register of Mining & Dredging Department Orders Received 1909-1932
George L. Hurst scrapbook
Mounted panorama of dredge at work