United States, Texas, Bexar, From Loop 1604, travel approximately 3 miles north along Babcock Road to its intersection with Heuermann Road; then, travel, approximately 1.5 miles down this latter road to the collection site in Friedrich Park (21480 Milsa) in the northwestern part of the county. Northwest of San Antonio in the Edwards Plateau region.
29.6376 -98.632092 +-1000m. WGS84
lat/long = center of Friedrich Park; uncertainty = extent of Friedrich Park