Hall, Benjamin Mortimer, 1853- A preliminary report on a part of the water powers of Alabama, by B. M. Hall. - Montgomery, The Brown printing co., 1903. - 185, [3] p. illus., 4 pl., fold. map. 24 cm. - Alabama. Geological survey, 1873- Bulletin no. 7 . LCCN: gs 05000393 Subjects--Topical Terms: Water-power--Alabama. LC Class. No.: QE81 / .A15 no. 7