Columbia subject headings:
Brushy Canyon Formation (N.M. and Tex.)
Geology, Stratigraphic--Permian.
Geology--Texas--Culberson County.
Sandstone--Texas--Culberson County.
Harvard subject headings:
Princeton subject headings:
Geology, Stratigraphic--Permian.
Geology--Brushy Canyon Formation (N.M. and Tex.).
Geology--Guadalupe Mountains (N.M and Tex.).
Geology--Texas.