/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Bulletin%20M%2C%22&sort_by=relevance&format=rss 6 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26556 By Behre, Chas. H..
Harrisburg, Pa., Dept. of Forests and Waters, Topographic and Geologic Survey, 1927 .
xii, 308 p. incl. illus., tables, diagrs. , At head of title: Pennsylvania Geological Survey, fourth series. | Two folded plates and folded maps in pocket. 24 cm..

]]> Place hold on Slate in Northampton County, Pennsylvania,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26556 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26715 By Pennsylvania..
Harrisburg, 1925 .
v in . 23 cm..

]]> Place hold on Bituminous coal fields of Pennsylvania.

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26715 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26983 By Stone, Ralph W..
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932 .
vii, 316 p. : , At head of title: Pennsylvania Geological Survey, Fourth series. 23 cm..

]]> Place hold on Building stones of Pennsylvania /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26983 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=27414 By Ashley, Geo. H..
Harrisburg, Pa. : Department of internal affairs, Topographic and geologic survey, 1933 .
16 p. : , At head of title: Pennysylvania Geological survey, Fourth series. 23 cm..

]]> Place hold on The undeveloped mineral resources of Pennsylvania /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=27414 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=27625 By Hickok, William Orville,.
Harrisburg, Pa., Department of Internal Affairs, Topographic and Geologic Survey, 1939 .
21 p. incl. tables. , At head of title: Pennsylvania Geological survey, Fourth series | With Ashley, G. H. The undeveloped mineral resources of Pennsylvania. 1933. (Bulletin M18-A) 23 cm..

]]> Place hold on The minerals of Pennsylvania: Iron ores of Pennsylvania,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=27625 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=27626 By Stone, Ralph W..
Harrisburg, Pa., Department of Internal Affairs, Topographic and Geologic Survey, 1939 .
50 p. incl. illus. (map) tables. , At head of title: Pennsylvania Geological survey, Fourth series | With Ashley, G. H. The undeveloped mineral resources of Pennsylvania. 1933. (Bulletin M18-A) 23 cm..

]]> Place hold on The minerals of Pennsylvania: Non-metallic minerals,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=27626