54 STAT.] 76TH CONG., 3 D SESS.-CH. 395-JUNE 18, 1940 vehicles for official use in the field; purchase of equipment (including rubber boots, oilskins, and first-aid outfits), and apparatus; contin- gent expenses; pay of permanent employees not to exceed $468,890; temporary labor; not to exceed $20,000 for propagation and distribu- tion of fresh-water mussels and the necessary expenses connected therewith; purchase, collection, and transportation of specimens and other expenses incidental to the maintenance and operation of aquar- ium, $977,940, including not to exceed $120,000 to commence the establishment of a station in Arkansas, on a site heretofore donated to the United States for such purpose, the establishment of a station in Mississippi on a site heretofore donated to the United States for such purpose, for the purchase of a fish-cultural station in Oklahoma, and for the further development of the stations at Lamar, Pennsyl- vania, and on Williams Creek, on the Fort Apache Indian Reserva- tion in Arizona, including the construction of buildings, ponds, water supply, improvements to grounds, purchase of equipment, and all other necessary expenses. Diversion Dam Sandy River, Oregon: For the construction, improvement, maintenance, and operation of a diversion dam and for bank protection and related works on the Sandy River, Oregon, for the conservation of fish in the Columbia River Basin, as authorized by the Act of May 11, 1938, $30,000, including personal services not to exceed $3,000. The unobligated balance of the appropriation remaining under the limitation of $155,000 to establish or commence the establishment of stations authorized by the Act approved May 21, 1930 (46 Stat. 371), contained in the Department of Commerce Appropriation Act, 1940, under the head "Propagation of food fishes", is continued available during the fiscal year 1941, and the unobligated balance of the appro- priation remaining under the limitation of $155,000 to establish or commence the establishment of stations authorized by the Act approved May 21, 1930 (46 Stat. 371), contained in the Department of Commerce Appropriation Act, 1939, under the head "Propagation of food fishes", which was continued available during the fiscal year 1940, is continued available during the fiscal year 1941. Maintenance of vessels: For maintenance and operation of vessels and launches, including purchase, and repair of boats, apparatus, machinery, and other facilities required for use with the same, hire of vessels, construction of small boats, temporary employees, and all other necessary expenses in connection therewith, including the pur- chase of plans and specifications for vessels or for contract personal services for the preparation thereof, and money accruing from com- mutation of rations and provisions on board vessels may be paid on proper vouchers to the persons having charge of the mess of such vessels, $235,920, of which amount not to exceed $37,350 may be expended for pay of officers and employees of vessels of the Atlantic coast, and not to exceed $78,420 for pay of officers and crews of vessels for the Alaska Fisheries Service. Construction of fish screens: For construction, operation, and main- tenance, in cooperation with the Bureau of Reclamation and the Bureau of Indian Affairs, or either, of fish screens and ladders on Federal irrigation projects, and for the conduct of investigations and surveys, the preparation of designs, and supervision of construction of such screens and ladders; and for determining the requirements for fishways and other fish protective devices at dams constructed under licenses issued by the Federal Power Commission in accordance with the pro- visions of the Federal Water Power Act (16 U. S. C. 791), $11,500, of which not to exceed $6,400 may be expended for the pay of permanent employees. 455 Pay of permanent employees. Post, p. 643 . Aquarium. Establishment, etc., of designated stations. Diversion dam, Sandy River, Oreg. 52 Stat. 345. 16 U. 8. C., Supp. V, § 755-757. Reappropriations. 63 Stat. 917. 52 Stat. 281. Maintenance of ves- sels. Vessels of Atlantic coast, and Alaska Fisheries Service. Pay of officers, etc. Construction of fsh screens. 41 Stat. 1063. C. 791- 16U.S.C.It7- 823; Supp. V, 791- 825r.