GIS investigations are part of many of the activities in this unit. These investigations make use of ArcGIS Online, an internet software that runs on most browsers. If you do not have an an ArcGIS account and would like to have one you can sign up for a free personal account here.
The Hetch Hetchy Project files are also available to download for ArcGIS Desktop:
The data and shapefiles in the various map layers are from a variety of sources:
California State & County Level Data
California state and county shape files including hydro, imagery, and base map data from the Cal-Atlas Geospatial Clearinghouse
San Francisco Water Options 1912
John R. Freeman, The Hetch Hetchy Water Supply for San Francisco, 1912, San Francisco: Rincon Publishing Company, 1912.
U.S. Congress, House of Representatives Committee on Public Lands, "Report on San Francisco and the Hetch Hetchy Reservoir," 1909
San Francisco Public Utility Commission Pipelines & Tunnels, Power Plants, Water Treatment Plants, and Dams
Yosemite Boundary File
Boundary of Yosemite National Park, California, available from the National Park Service Geography and Mapping Technologies, Geographic Information Systems web page.
clipped from 30m Color Hillshade of California, available from Cal-Atlas Geospatial Clearinghouse
Yosemite Topographic Map
Topographic map of Yosemite National Park, California / from Geological Survey maps surveyed between 1893 and 1909, available from the American Geographical Society Library at the University of Wisconsin-Milwaukee Libraries.
Students and teachers wishing to learn more about Hetch Hetchy may want to read the following:
Robert W. Righter, The Battle Over Hetch Hetchy (New York: Oxford University Press, 2005).
Yosemite Online Library
The Yosemite Online Library contains an extensive collection of books and other writings about Yosemite National Park and Hetch Hetchy
Library of Congress: American Memory Collection
Search the American Memory Collection for resources on Yosemite National Park including Hetch Hetchy.
Your comments and suggestion about these materials are more than welcome.
If you have ideas for additional topics that would lend themselves to the approach taken here, please pass them along. I'd enjoy collaborating with you.