01664oam 2200445Ka 450 991069681550332120080729151236.0(CKB)5470000002382730(OCoLC)231830883(EXLCZ)99547000000238273020080501d2006 ua 0engtxtrdacontentcrdamediacrrdacarrierPetrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana[electronic resource] /by Edward A. du Bray, Stephen S. Harlan, and Anna B. WilsonReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2006.iii, 21 pages digital, PDF fileProfessional paper ;1715Title from PDF t.p. (viewed July 29, 2008).Includes bibliographical references.PetrologyMontanaCrazy MountainsDikes (Geology)MontanaCrazy MountainsHistorical geologyMontanaCrazy MountainsSills (Geology)MontanaCrazy MountainsPetrologyDikes (Geology)Historical geologySills (Geology)Du Bray E. A1385525Harlan Stephen S1405201Wilson Anna B(Anna Burack)1381484Geological Survey (U.S.)QCLQCLGPOBOOK9910696815503321Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana3530061UNINA