Federal Power Commission. Amendment to Federal water power act, report to accompany H. R. 15126 [to amend act to create Federal Power Commission, to provide for improvement of navigation, development of water power, use of public lands in relation thereto, and to repeal sec. 18 of river and harbor appropriation act, approved Aug. 8, 1917, and for other purposes, approved June 10, 1920, relative to employment of clerical assistance, etc., by Federal Power Commission]; submitted by Mr. Esch.