 | Physical Divisions of the United States / Nevin M Fenneman . - 1: 7 000 000 . - Washington : US Geological Survey, 1945 < 6.570/001 v > |
 | Mapa mundial de los suelos . - 1: 5 000 000 . - Paris : UNESCO < 6.550/001 v > |
 | Geologic map of North America / compiled by John C. Reed, Jr., John O. Wheeler and Brian E. Tucholke . - 1: 5 000 000 . - Boulder : Geological Society of America, 2005 . - 103 x 180 cm < 6.550/022 v > |
 | State of California : Wind measurement sites . - 1: 1 250 000 . - Washington : US Geological Survey, 1982 < 6.512/001 v > |
 | State of California : Electric transmission system . - 1: 1 250 000 . - Washington : US Geological Survey, 1981 < 6.512/002 v > |
 | State of California : Mean annual wind speed in California . - 1: 643 720 . - Washington : US Geological Survey, 1984 . - 96 x 126 cm < 6.464/001 v > |