National Geologic Map Database
General Information
- Title: A system of regional agricultural land use mapping tested against small scale Apollo 9 [March 12, 1969] color infrared photography of the Imperial Valley, California
- Author(s): Johnson, C.W., Bowden, L.W., and Pease, R.W.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-71-158
- Publication Date: 1971
- Map Scale: 1:121,800
- Cross Section: None
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