14 maps ; 58 x 47 cm + 1 text (iii, 26 leaves ; 28 cm.)
OCLC
ocm09120630
Cartographic Data
Scale 1:24,000
(W 108⁰15'00"--W 108⁰07'30"/N 37⁰00'00"--N 36⁰52'30").
Text title: Coal resource occurrence maps and coal development potential maps of the La Plata quadrangle, San Juan County, New Mexico and La Plata County, Colorado.
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 4 microfiche ; 11 x 15 cm.
Includes bibliographical reference, ill., 2 coal data sheets and location maps.