@misc{indiciaef962ed198651, title = {Geologic framework and hydrogeologic characteristics in the southern part of the Rancho Diana Natural Area, northern Bexar County, Texas, 2008-10}, author = {Allan K. Clark and Robert R. Morris}, year = {2011}, doi = {10.3133/sir20115069}, url = {https://pubs.usgs.gov/publication/sir20115069}, note = {Source identifier: sir20115069} }