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Geologic map of a Portion of the Southeastern Llano Uplift, Burnet, Llano, and Blanco Counties Texas |
2023 |
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Helper, M., Hunt, B.B., Barnes, V.E. |
Open-File Map |
Bureau of Economic Geology |
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Geologic map of the Mason Quadrangle, Mason County, Texas |
2022 |
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Hunt, B.B., Johnson, B., Helper, M., Droxler, A. |
Open-File Map |
Bureau of Economic Geology |
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Geologic map of the Turtle Creek Quadrangle, Mason County, Texas |
2022 |
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Hunt, B.B., Johnson, B., Helper, M., Droxler, A. |
Open-File Map |
Bureau of Economic Geology |
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Geologic map of the Grit quadrangle, Mason County, Texas |
2021 |
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Hunt, B.B., Johnson, B., Helper, M. |
Open-File Map |
Bureau of Economic Geology |
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Geology and Historical Mining, Llano Uplift Region, Central Texas |
2000 |
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Caran, S.C., Helper, M., Kyle, J.R. |
Austin Geological Society |
Austin Geological Society |