Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Quadrangle
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Quadrangle, report, April 1979; United States. (https://digital.library.unt.edu/ark:/67531/metadc1108136/: accessed May 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.