Online Books by
G. N. Ryals
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Ryals, G. N.: Adequacy of available hydrogeologic data for evaluation of declining ground-water levels in the Fort Rock Basin, south-central Oregon (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1991), also by William D. McFarland, Geological Survey (U.S.), and Oregon. Water Resources Department (page images at HathiTrust)- Ryals, G. N.: Evaluation of available data on the geohydrology, soil chemistry, and ground-water chemistry of Gas Works Park and surrounding region, Seattle, Washington (Dept. of the Interior, U.S. Geological Survey ;, 1988), also by Martha Sabol, Gary L. Turney, Geological Survey (U.S.), and Washington (State). Department of Ecology (page images at HathiTrust)
- Ryals, G. N.: Regional geohydrology of the northern Louisiana salt-dome basin : part I, conceptual model and data needs (U.S. Geological Survey, 1982), also by Geological Survey (U.S.) and United States. Department of Energy (page images at HathiTrust)
See also what's at your library, or elsewhere.
Help with reading books -- Report a bad link -- Suggest a new listing
Home -- Search -- New Listings -- Authors -- Titles -- Subjects -- Serials
Books -- News -- Features -- Archives -- The Inside Story
Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
OBP copyrights and licenses.