Showing 1 - 6 of 6 for search: 'Walker, Richard L.', query time: 0.07s
by Walker, Richard L.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2011
Description: 1 online resource (viii, 145 pages) : illustrations (chiefly color), color maps.
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by Walker, Richard L.,
Published: U.S. Geological Survey, 1983
Description: 1 online resource (vi, 56 pages) : illustrations, maps + 5 plates.
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by Walker, Richard L.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2001
Description: iv, 12 pages : illustrations, maps (some color) ; 28 cm.
Book
by Walker, Richard L.,
Published: U.S. Geological Survey, 2001
Description: 1 online resource (iv, 12 pages) : illustrations, maps (some color).
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eBook
by Walker, Richard L. 1922-2003.
Published: Yale University Press, 1955
Description: xv, 403 pages : illustrations ; 23 cm.
Book
by Eckel, James A.
Published: U.S. Dept. of the Interior, Geological Survey ; Open-File Services Section, Western Distribution Branch, 1986
Description: vi, 62 pages : illustrations, maps ; 28 cm + 7 maps.
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