“...U.S. Department of the Interior, U.S. Geological Survey,...”
Use USGS map name Zapata SE to find this quadrangle
Use USGS map name search Zapata SE to find this quadrangle
Use place name search Zapata to find set of quadrangles under this title

“...U.S. Department of the Interior, U.S. Geological Survey,...”
Use place name Arroyo Clareno to find quadrangle under this title
Use place name search Arroyo Clareno to find quadrangle under this title