/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Crawford%2C%20R.%20D.%22&sort_by=relevance&format=rss 5 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=24942 By Crawford, R. D..
[Denver, Colo., The Smith-Brooks printing company, state printers , 1910 .
78 p. 23 cm..

]]> Place hold on A preliminary report on the geology of the Monarch mining district, Chaffee County, Colorado,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=24942 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=25263 By Crawford, R. D..
[Denver, Col., The Smith-Brooks printing co., 1913 .
317 p. , Some fold. maps, plans, diagrs. are in pocket on back cover. 24 cm..

]]> Place hold on Geology and ore deposits of the Monarch and Tomichi districts, Colorado,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=25263 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=25820 By Crawford, R. D..
Denver, Colo., Eames bros., state printers, 1916 .
116 p. , Maps and 1 plan in pocket. 24 cm..

]]> Place hold on Geology and ore deposits of the Gold brick district, Colorado,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=25820 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26079 By Colorado Geological Survey.
Denver, Col., Eames bros., state printers, 1920 .
59 p. 1 l. , At head of title: Colorado Geological survey, Boulder. R. D. George, state geologist ... 23 cm..

]]> Place hold on Some anticlines of Routt county, Colorado,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26079 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26378 By Crawford, R. D..
Boulder, Col., Camera print, 1925 .
89 [1] p. 23 cm..

]]> Place hold on Geology and ore deposits of the Red Cliff district, Colorado,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26378