1
by Tobin, Robert L.
Denver, Colo. : Denver, CO : U.S. Geological Survey ; Books and Open-File Reports Section distributor⁾, 1990
Denver, Colo. : Denver, CO : U.S. Geological Survey ; Books and Open-File Reports Section distributor⁾, 1990
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2
by Tobin, Robert L.
Columbus, Ohio : The Survey, 1979
Columbus, Ohio : The Survey, 1979
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3
by Tobin, Robert L.
Denver, Colo. : U.S. Geological Survey : For sale by Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1985
Denver, Colo. : U.S. Geological Survey : For sale by Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1985
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Book
4
by Tobin, Robert L.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 1996
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 1996
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Book
5
by Tobin, Robert L.
Denver, Colo. : U.S. Geological Survey, 1993
Denver, Colo. : U.S. Geological Survey, 1993
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Book
6
by Tobin, Robert L.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 1991
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 1991
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Book
7
by Tobin, Robert L.
Denver, Colo. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1991
Denver, Colo. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1991
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8
by Tobin, Robert L.
Denver, Colorado : U.S. Geological Survey, 1996
Denver, Colorado : U.S. Geological Survey, 1996
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Government Document
Book
9
by Tobin, Robert L.
Denver, Colo. : U.S. Dept. of the Interior, Geological Survey : : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey [distributor], 1985
Denver, Colo. : U.S. Dept. of the Interior, Geological Survey : : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey [distributor], 1985
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Book
10
by Tobin, Robert L.
Denver, Colorado : U.S. Geological Survey, 1993
Denver, Colorado : U.S. Geological Survey, 1993
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Government Document
Book
11
by Tobin, Robert L.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1996
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1996
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Book
12
by Tobin, Robert L.
Denver, Colo. : U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1993
Denver, Colo. : U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1993
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Government Document
Book
13
by Tobin, Robert L. B.
San Antonio, TX : The Museum, 1994
San Antonio, TX : The Museum, 1994
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Book
14
by Tobin, Robert L. B.
[San Antonio, Tex.] : Marion Koogler McNay Art Museum, 1994
Other Authors:
“...Tobin, Robert L. B....”[San Antonio, Tex.] : Marion Koogler McNay Art Museum, 1994
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Book
15
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16
17
by Tobin, Robert L., Stranathan, Helen E., Covay, Kenneth J.
Denver, Colorado : U.S. Geological Survey, 1985
Denver, Colorado : U.S. Geological Survey, 1985
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
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Book
18
by Covay, Kenneth J., Stranathan, Helen E., Tobin, Robert L.
Lakewood, Colorado : U.S. Geological Survey, 1985
Lakewood, Colorado : U.S. Geological Survey, 1985
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
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Book
19
by Anttila, Peter W.
Washington : U.S. Govt. Print. Off., 1977
Other Authors:
“...Tobin, Robert L....”Washington : U.S. Govt. Print. Off., 1977
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Book
20
by Evans, Kenneth F.
Columbus, Ohio : U.S. Dept. of the Interior, Geological Survey, 1979
Other Authors:
“...Tobin, Robert L....”Columbus, Ohio : U.S. Dept. of the Interior, Geological Survey, 1979
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