GUIDE FOR FIELD TRIP TO THE BANCROFT-MADOC AREA, ONTAIO
Institute on Lake Superior Geology, 1967. Institute on Lake Superior Geology 1967. 11 x 8.5", wrappers, 74pp, 3 maps, appendices, glossaries, bib, vg clean and tight, first edition. More
Institute on Lake Superior Geology, 1967. Institute on Lake Superior Geology 1967. 11 x 8.5", wrappers, 74pp, 3 maps, appendices, glossaries, bib, vg clean and tight, first edition. More
Michigan Basin Geological Society: Lansing, MI, 1969. 11 x 8.5", wrappers, 95 pp., illus., a few library markings else vg. First ed. More