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Geological Survey (U.S.)
624
Sabin Americana, 1500-1926
358
GPO MARCIVE
291
ProQuest (Firm)
289
ProQuest Ebook Subscriptions
287
Project Gutenberg
108
U.S. Fish and Wildlife Service
61
Clark, Perry S.
53
California. State Water Resources Control Board
52
JSTOR
52
Belitz, Kenneth
46
Pacific Southwest Research Station
44
United States. Congress. House
40
United States. Congress. House. Committee on Public Lands
40
United States. Congress. House. Committee on Post Office and Post Roads
32
Ground Water Ambient Monitoring and Assessment Program (Calif.)
28
National Renewable Energy Laboratory (U.S.)
28
United States. Congress. House. Committee on Military Affairs
27
United States. Congress. Senate. Committee on Public Lands
27
United States. Congress. House. Committee on Natural Resources
26
United States. Forest Service
25
Yerkes, R. F., 1923-
25
United States
24
United States. Congress. House. Committee on Indian Affairs
24
United States. Congress. House. Committee on Public Buildings and Grounds
24
United States. National Transportation Safety Board
23
United States. Congress. House. Committee on Commerce
22
United States. War Department
21
McDonald, Philip M.
20
California
19
Campbell, Russell H., 1928-
19
United States. General Accounting Office
19
United States. National Park Service
19
United States. Environmental Protection Agency
18
United States. Bureau of Labor Statistics
17
United States. Bureau of Land Management
17
United States. Bureau of the Census. Data User Services Division
17
California Agricultural Statistics Service
15
United States. Congress. House. Committee on the Judiciary
15
United States. Congress. Senate. Committee on Military Affairs
15
Western Coastal and Marine Geology Program (Geological Survey)
15
EBSCO Publishing (Firm)
14
Fiddler, Gary
14
United States. Bureau of Land Management. California State Office
14
United States. Social Security Administration
14
Mojave Water Agency (Calif.)
13
United States. National Agricultural Statistics Service. California Field Office
13
California. Dept. of Food and Agriculture
12
J. Paul Getty Museum
12
Pacific Northwest Research Station (Portland, Or.)
12
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