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研究报告 [4]
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Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas [研究报告]
10.3133/sim3418U.S. Geological Survey. 2018-01-01
Clark, Allan K. akclark@usgs.gov;  Pedraza, Diana E. dpedraza@usgs.gov;  Morris, Robert R.
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Bedrock geology and hydrostratigraphy of the Edwards and Trinity aquifers within the Driftwood and Wimberley 7.5-minute quadrangles, Hays and Comal Counties, Texas [研究报告]
10.3133/sim3386U.S. Geological Survey. 2017-01-01
Clark, Allan K. akclark@usgs.gov;  Morris, Robert R.
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A projection of lesser prairie chicken (<em>Tympanuchus pallidicinctus</em>) populations range-wide [研究报告]
10.3133/ofr20171071U.S. Geological Survey. 2017-01-01
Cummings, Jonathan W.;  Converse, Sarah J. sconverse@usgs.gov;  Moore, Clinton T.;  Smith, David R.;  Nichols, Clay T.;  Allan, Nathan L.;  O'Meilia, Chris M.
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Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Bexar and Comal Counties, Texas [研究报告]
10.3133/sim3366U.S. Geological Survey. 2016-01-01
Clark, Allan K.;  Golab, James A.;  Morris, Robert R.
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