@book{ Solr-8309186, title = {Los Ebanos quadrangle NW, Texas--Tamaulipas 7.5-minute series}, editor = {Geological Survey (U.S.)}, address = {Reston, Va.}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey}, year = {2010}, note = {Relief shown by contours and spot heights.}, note = {Title from PDF title screen (viewed on Feb. 24, 2011).}, note = {"Contour interval 10 feet."}, note = {Includes location map and index to adjoining quadrangles.}, url = {http://purl.fdlp.gov/GPO/gpo4250} }