| The North Dakota Geological Highway Map (MM-29 1988) is a full-color 1:1,000,000 glossy map with geologic cross section. Reverse side includes discussions of glaciation, geologic history, points of geologic interest, drainage, bedrock, geology, and thickness of glacial deposits. Map measures 23" x 30"; is shipped flat in a mailing tube, but may be folded to 7" x 12". |