Online Books by
L. W. Lenfest
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Lenfest, L. W.: Ground-water levels and use of water for irrigation in the Saratoga Valley, south-central Wyoming, 1980-81 / (Cheyenne, Wyo. : U.S. Dept. of the Interior, Geological Survey ; Denver, Colo. : Open-File Services Section, Western Distribution Branch, 1986), also by Geological Survey (U.S.), Wyoming Economic Development and Stabilization Board, and Wyoming. State Engineer's Office (page images at HathiTrust)- Lenfest, L. W.: Recharge of shallow aquifers through two ephemeral-stream channels in northeastern Wyoming, 1982-1983 / (Cheyenne, Wyo. : Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Books and Open-File Reports [distributor], 1987), also by Geological Survey (U.S.) and United States Bureau of Land Management (page images at HathiTrust)
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