Analytical results and sample locality maps of stream-sediment and heavy-mineral-concentrate samples from the San Juan National Forest, Archuleta, Dolores, Hinsdale, La Plata, Mineral, Montezuma, Rio Grande, San Juan, and San Miguel counties, Colorado
H.N. Barton
◽
D.L. Fey
◽
J.M. Motooka
◽
R.T. Hopkins