53 STAT.] 76TH CONG., 1ST SESS.-CH. 253 -JUNE 30, 1939 of such supplies, materials, or equipment: Provided further, That reproductions of such aerial or other photographs, mosaics, and maps as shall be required in connection with the authorized work of the Soil Conservation Service may be furnished at the cost of reproduc- tion to Federal, State, county, or municipal agencies requesting such reproductions, the money received from such sales to be deposited in the Treasury to the credit of this appropriation; as follows: General administrative expenses: For necessary expenses for gen- eral administrative purposes, including the salary of the Chief of the Soil Conservation Service and other personal services in the District of Columbia, $552,050: Provided, That no part of the money appro- priated in this paragraph shall be available for expenditure if any emergency appropriations are made available for administrative expenses in administering the funds provided in regular appropria- tions to the Soil Conservation Service. Soil and moisture conservation and land-use investigations: For research and investigations into the character, cause, extent, history, and effects of erosion, soil and moisture depletion and methods of soil and moisture conservation (including the construction and hydrologic phases of farm irrigation and land drainage); and for construction, operation. and maintenance of experimental watersheds, stations, laboratories, plots, and installations, $1,631,185. Soil and moisture conservation and land use operations, demon- strations, and information: For carrying out preventive measures to conserve soil and moisture, including such special measures as may be necessary to prevent floods and the siltation of reservoirs, and including the improvement of farm irrigation and land drain- age, the establishment and operation of erosion nurseries, the making of conservation plans and surveys, and the dissemination of infor- mation, $21,462,349. Emergency erosion control, Everglades region, Florida: For research and demonstration work in soil conservation control meas- ures, including research and demonstration work in fire control and irrigation construction work to eliminate fire hazards, in the Ever- glades region of Florida, $75,000: Provided, That no expenditures shall be made for these purposes until a sum at least equal to such expenditures shall have been made available by the State of Florida for the same purposes. Total salaries and expenses, Soil Conservation Service, $23,720,584, of which not to exceed $1,734,636 may be expended for personal services in the District of Columbia, and not to exceed $100,000 shall be available for the purchase of motor-propelled and horse-drawn passenger-carrying vehicles necessary in the conduct of field work outside the District of Columbia. CONSERVATION AND USE OF AGRICULTURAL LAND RESOURCES, DEPARTMENT OF AGRICULTURE To enable the Secretary of Agriculture to carry into effect the provisions of sections 7 to 17, inclusive, of the Soil Conservation and Domestic Allotment Act, approved February 29, 1936 (16 U. S . C . 590g-590q), and the provisions of the Agricultural Adjust- ment Act of 1938 (52 Stat. 31-70) (except the making of payments pursuant to sections 303 and 381 and the provisions of titles IV and V), including the employment of persons and means in the District of Columbia and elsewhere; rent in the District of Colum- bia; not to exceed $50,000 for the preparation and display of exhibits, including such displays at State, interstate, and international fairs within the United States; purchase of law books, books of refer- 973 Reproduction of photographs, etc. General administra- tive expenses. Provieo. Restriction. Soil and moisture conservation andland- use investigations. Operations, demon- strations, etc. Emergency erosion control, Everglades region, Fla. 'roriso. State 'contribution. Personal services. Vehicles. Administrative ex- penses. 49 Stat. 1148. 16 U. S. C., Supp. IV, §§ 590g-590q. 52 Stat. 31 . 7U. S. C., Supp. IV, ch. 35. Exhibits at fairs. Law books, etc.
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