"Land and Real Estate of the Spring Valley Water Company in San Francisco ... prepared by J. H. Dockweiler--July 1904." On sheet: 55x46 inches. Pen and pencil on original "Punnett Brothers City and County Map of San Francisco." Copyright 1906. A summary of the Spring Valley Water Company holdings is found in tables on a sheet attached to the bottom of the map. 1904, 1906
"Map Showing the Watershed Areas in the Vicinity of San Francisco Bay. In Use or Proposed as Sources of Water Supply ... by J. H. Dockweiler Consulting Engineer May 1912." On sheet: 19.25x17.4 inches. Pen and Pencil over original United States Geodetic Survey map. With tables of watersheds and wells. 1912
"Key Map to County Properties of the Spring Valley Water Co. to acquired by the City and County of San Francisco." This is the title to the first of seventen sheets originally in binder, but now separated by unknown party. Mechanical drawing, perhaps by J. H. Dockweiler. On sheets: 20.5x12.74 inches. undated
" Bay Cities Water Company's Proposed Sierra Nevada Water Supply ... to San Francisco." On sheet: 10.75x7.25 Sheet bears page number of 24. Ink. undated