Miller, W. R., & Miller, W. R. (2002). Influence of rock composition on the geochemistry of stream and spring waters from mountainous watersheds in the Gunnison, Uncompahgre, and Grand Mesa National Forest, Colorado (Version 1.0.). Denver, Colo.: U.S. Departamento of the Interior, Geological Survey.

Miller, William R., and William R. Miller. Influence of Rock Composition On the Geochemistry of Stream and Spring Waters From Mountainous Watersheds in the Gunnison, Uncompahgre, and Grand Mesa National Forest, Colorado. Version 1.0. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2002.

Miller, William R., and William R. Miller. Influence of Rock Composition On the Geochemistry of Stream and Spring Waters From Mountainous Watersheds in the Gunnison, Uncompahgre, and Grand Mesa National Forest, Colorado. Version 1.0. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2002.