Geologic map of Medina County, Tex., showing location of water wells / geology by C.L.R. Holt, Jr., U.S. Geological Survey. [19--?]

Geological survey (U.S.)

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E.W. Glafcke was in charge of a crew during the United States Geological Survey's spirit leveling activities in Wyoming and Utah from 1896 to 1912. From the guide to the United States Geologic Survey photograph collection, 1892-1912, 1898-1902, (Utah State University. Special Collections and Archives) First organized as a branch in 1889, the Topographic Division was established in 1947. From the description of Records of the Topographic Division. (Unknown). World...

Holt, C. L. R.

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Texas Board of Water Engineers

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