Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana - Du Bray, Edward A.; Harlan, Stephen S.; Wilson, Anna Burack; Geological Survey (U.S.) ([Reston, Va.] : U.S. Geological Survey, 2006)
Includes bibliogr. references
Also available via Internet
Keywords: Petrology -- Montana -- Crazy Mountains; Dikes (Geology) -- Montana -- Crazy Mountains; Historical geology -- Montana -- Crazy Mountains; Sills (Geology) -- Montana -- Crazy Mountains