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Creator
- Owen, Andrew28
- Murphy, Brendan24
- United States. Soil Conservation Service19
- Levinson, David M8
- Geological Survey (U.S.)1
- Harris County (Tex.). Engineering Department1
- N.D. Thompson Publishing Co1
- Plummer, F. B. (Frederick Byron), 1886-19471
- Richardson, G. B. (George Burr), 1872-19491
- Texas. State Highway Commission1
- United States. Bureau of Reclamation1
- Young, J. H. (James Hamilton)1