@misc{indiciae4930fa2cfcd1, title = {Land use and land cover and associated maps for Brownsville, Texas}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1977}, doi = {10.3133/ofr77392}, url = {https://pubs.usgs.gov/publication/ofr77392}, note = {Source identifier: ofr77392} }