Mined Lands Inventory, Industrial Minerals, South Texas


The Bureau of Economic Geology, under an interagency cooperative contract with the Railroad Commission of Texas, conducted a comprehensive inventory of abandoned and active mining operations across 48 counties in South Texas. Project objectives were to characterize potential reclamation, or priority, sites, to create a surface-mining database of industrial minerals, and to provide data to meet future legislative and regulatory needs. Comprehensive procedures were established for identification and evaluation of mined lands using U.S. Geological Survey topographic maps, black-and-white and color-infrared aerial photographs, on-site surveys, and low-altitude flyovers. The site location, mineral commodity, and relative size were recorded on a Mined Lands Inventory Form (MLIF) for each site greater than 2 acres in size. Data on health, safety, and environmental aspects were recorded for all priority sites. All data were entered into the Texas Mined Land Database (TMLDB), a computer database that follows the format of the MLIF. Locations of all inventoried sites are shown on over 400 topographic maps.


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