00846cam a22002291 4500 gs 23000278 DLC 20260227111327.0 780502s1923 xx 000 0 eng c gs 23000278 (OCoLC)3856089 Library, U.S. Geological Survey OT DLC premarc QE165 .A2 no. 30 Switzer, John Albert, 1871- A study of some of the smaller undeveloped water powers of Tennessee, by J. A. Switzer. Nashville, Tenn. [Marshall & Bruce co.] 1923. 24 p. XXXVI pl. (part fold. incl. maps, plans, diagrs.) 23 cm. Tennessee. Geological survey. Bulletin 30 At head of title: State of Tennessee. Department of education. Division of geology. Water-power Tennessee. 26271 26271