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1Published 1975Subjects: “...Natural areas Texas Devil's Sinkhole....”
Book -
2
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3Published 1969Subjects: “...Natural areas Texas....”
Government Document Book -
4
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5
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6Published 1990Subjects: “...Natural areas Texas Maps....”
Map -
7
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8Published 1978Subjects: “...Natural areas Texas....”
Book -
9Published 1973Subjects: “...Natural areas Texas....”
Government Document Book -
10
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11by Beaty, Harold E.Subjects: “...Research natural areas Texas Galveston County....”
Published 1974
Book -
12
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13
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14Published 1969Subjects: “...Natural areas Texas....”
Book -
15Subjects: “...Natural areas Texas Travis County Guidebooks....”
Book -
16Published 2000Subjects: “...Natural areas Texas....”
Government Document Book -
17
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18
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19
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20Published 1976Subjects: “...Natural areas Texas Starr County....”
Book