PUBLIC LAWS-CH. 253 -JUNE 30, 1939 Securing informa- tion of law violations. Enforcement of Alaska game law. 43 Stat. 739; 46 Stat. 1111; 52 Stat. 1169. 48 U.S. C. II 192-211; Supp. IV , §§ 192-207. Mammal and bird reservations. Construction, ma- terials, etc. Wichita Mountains Wildlife Refuge,roads. Taking of eggs on birdbreedinggrounds. 35 Stat. 1104 . 18U.S.C. I 145. Prohibited acts on acquired areas. 45 Stat. 1224 . 16U.S.C. §715i. Long-horned cattle, Wichita Mountains Wildlife Refuge. Migratory bird con- servation refuges. 39 Stat. 1702. 45 Stat. 1222; 49 Stat. 381. 16 U. S. C. §C.715- 715r; Supp. IV , §§ 715d-1 -715e-1 . Acquisition of areas. 43 Stat. 650 . 16U.S.C.I721- 731. Migratory bird con- servation fund. poses", including all necessary investigations in connection therewith, $365,000, of which not to exceed $10,000 may be expended in the dis- creticn of the Secretary of Agriculture for the purpose of securing information concerning violations of the laws for the enforcement of which this appropriation is made available. Enforcement of Alaska game law: For the enforcement of the pro- visions of the Alaska game law, approved January 13, 1925, as amended by the Act of February 14, 1931, and by the Act of June 25, 1938 (48 U. S. C. 192-211), $130,798. Maintenance of mammal and bird reservations: For the maintenance of the Montana National Bison Range, the Upper Mississippi River Wildlife Refuge, the Bear River Migratory Bird Refuge, the Wichita Mountains Wildlife Refuge, and other reservations, and for the main- tenance of game introduced into suitable localities on public lands, under supervision of the Biological Survey, including construction of fencing, wardens' quarters, shelters for animals, landings, roads, including the purchase of necessary materials to be used in conjunction with Works Progress Administration labor in improving roads in the Wichita Mountains Wildlife Refuge, not exceeding $30,000, trails, bridges, ditches, telephone lines, rockwork, bulkheads, and other improvements necessary for the economical administration and pro- tection of the reservations; for the enforcement of section 84 of the Act approved March 4, 1909 (18 U. S. C. 145), entitled "An Act to codify, revise, and amend the penal laws of the United States", and Acts amendatory thereto, and section 10 of the Migratory Bird Con- servation Act of February 18, 1929 (16 U. S. C. 715i).; for the pur- chase, capture, and transportation of game for national reservations; and for the maintenance of the herd of long-horned cattle on the Wichita Mountains Wildlife Refuge, $630,000. Migratory bird conservation refuges: For carrying into effect the provisions of the Act entitled "An Act to more effectively meet the obligations of the United States under the migratory-bird treaty with Great Britain (39 Stat., pt. 2, 1702) by lessening the dangers threatening migratory game birds from drainage and other causes by the acquisition of areas of land and water to furnish in perpetuity reservation for the adequate protection of such birds' and authoriz- ing appropriations for the establishment of such areas, their main- tenance and improvement, and for other purposes", approved Feb- ruary 18, 1929, as amended by title III of the Act approved June 15, 1935 (16 U. S. C. 715-715r), $79,753, authorized by section 12 of the Act, which sum is a part of the remaining $410,887 of the $1,000,000 authorized to be appropriated for the fiscal year ending June 30, 1933. In all, salaries and expenses, $2,368,691. UPPER MISSISSIPPI RIVER WILDLIFE REFUGE For the acquisition of areas of land or land and water pursuant to the Act entitled "An Act to establish the Upper Mississippi River Wildlife and Fish Refuge", approved June 7, 1924 (16 U. S . C . 721 - 731), as amended, and for all necessary expenses incident thereto, to remain available until expended, $60,000. MIGRATORY BIRD CONSERVATION FUND For carrying into effect the provisions of section 4 of the Act entitled "An Act to supplement and support the Migratory Bird Conservation Act by providing funds for the acquisition of areas for use as migratory-bird sanctuaries, refuges, and breeding grounds, for developing and administering such areas, for the protection of 964 [53 STAT.