Geothermal gradients in the Missoula and Bitterroot Valleys, west-central Montana /

by Leonard, Robert B.
Published 1980

Supplemental data from the Ennis and other thermal-springs areas, Southwestern Montana, 1978-80 /

by Leonard, Robert B.
Published 1980

Changes in quality of ground water in the Lincoln area, Montana, 1974-79 /

by Leonard, Robert B.
Published 1981

Evaluation of a hydrothermal anomaly near Ennis, Montana /

by Leonard, Robert B.
Published 1989

Chemical quality of water in the Walnut River Basin, south-central Kansas /

by Leonard, Robert B.
Published 1972

Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas /

by Helgesen, John O., Leonard, Robert B., Wolf, R. J.
Published 1993

Hydrochemistry of aquifer systems and relation to regional flow patterns in Cretaceous and older rocks underlying Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New M...

by Baker, Claud H.
Published 1995

Hydrology of the Great Plains Aquifer system in Nebraska, Colorado, Kansas, and adjacent areas /

by Helgesen, John O.
Published 1993