Map and Sections of the Quad Creek Area, Montana
Map and Sections of the Quad Creek Area, Montana, 1957. Scale 1:6000. Plate 5 from Bull. Geol.Soc.Am. v.68. Folded, colour print, 41"x34". Covers a small area of complex Precambrian banded metamorphic over highway US12 snakes in dramatic hairpin turns. Map in great detail making fine distinctions in lithology. This reader can imagine an immensely enjoyable walk along the highway inspecting the cuttings and the scenery.