Washington DC: U.S. Dept. of the Interior, 1911. Original edition. Original Wraps. Small quarto, pp. 137, indexed. Illustrated with b/w drawings and photos, including a fold-out geological survey map in color. Signed on the cover by several early owners, including Gordon College professor of geology Edwin K. Gedney. Very good; mild water stain to the top of the text block; several small cosmetic tears at the spine. Item #19542
Scarce Department of Interior vocational publication on the origin, nature, and classification of the granites found in Connecticut. This bulletin treats its subject from both the scientific and the economic standpoint, and strives to make the scientific portions intelligible to the general reader. Thoroughly illustrated, and full of useful technical information.