Search Results for the EPA National Library Catalog

Items Found: 3
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Your Search: (AUTHOR=Boettcher AND Arnold AND J)

Select Item Title Year Published
Ground-water development in the high plains of Colorado / {by} Arnold J. Boettcher with a section on Chemical quality of the ground water by Robert Brennan 1966
Hydrology of the San Luis Valley, south-central Colorado 1971
Prospects for irrigation in eastern Cheyenne and Kiowa Counties, Colorado 1963

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