Paleotectonic Maps – Triassic System, Miscellaneous Geologic Investigations I-300, 1959

Paleotectonic Maps – Triassic System, Miscellaneous Geologic Investigations I-300, 1959. Soft-cover atlas, 15"x22", comprising 33 pp text, single-sided printing, and large fold out maps (30"x42") at various scales, showing geologic units directly below and directly above the Triassic, nationally, and lithostratigraphy within the Triassic on regional maps. Text on heavy gloss paper, the atlas weighs 3.5lb/1.6k. The cover is scuffed and the corners are bumped; otherwise pages and maps are clean and appear little read. Overall in good condition.