118 Yuma project, Ariz .- Cal if . Colorado River front work adjacent to. Vol . 44, p. 1016. Vol.46,pp.310,1140. Boulder Canyon project. Hoover Dam con. struction . Acquis itions . Vol, 45, p.1057. u. S. C., Supp. V, p.628. Proviso. School buildings, etc . Geological Survey. Director, and personnel. Gener al expe nses . Vehicles. 72d CONGRESS . SESS. I. CH. 125. APRIL 22, 1932 . To defray the cost of operating and maintaining the Colorado River front work and levee system adjacent to the Yumaa Federal irrigatio n project in Arizo na and Ca lifornia, subject only to s ection 4 of the Act entitled "An Act authorizing the construction, repair and preservation of certain public works on rivers and harbors, anti for other . purposes," approved January 21, 1927 (44 Stat., p. 1010), the unexpended balances of the appropriations for the fiscal years 1931 and 1932 shall 'remain available for the fiscal year 1933. Boulder Canyon project : For the continuation of construction of the Hoover Dam and incidental works in the main stream of the Colorado River at Black Canyon, to create a storage reservoir, and of a complete plant and incidental structures suitable for the fullest economic development of electrical energy from the water discharged from such reservoir ; to acquire by proceedings in eminent domain or otherwise, all lands, rights of way and other property necessary for such purposes ; and for incidental operations, as authorized by the Boulder Canyon Project Act, approved December 21 1928 (U. S . C., Supp . V, title 43, ch. 12A) ; $6,000,000, to be immediately available and to remain available until advanced to the Colorado River Dam fund, which amount shall be available for personal services in the District of Columbia and for all other objects of expenditure that are specified for projects included in this Act under the cap tion " Bureau of Re clamat ion" w ithout regard to th e limi ta- tions of amounts therein set forth : Provided, That of this fund not to exceed $70,000 shall be available for the erection, operation, and maintenance of necessary school buildings and appurtenances on the Boulder Canyon project Federal reservation, and for the purchase and repair of required desks, furnishings, and other suitable facilities ; for payment of compensation to teachers and other employees necessary for the efficient conduct and operation of schools on said reservation . GEOLOGICAL SURVEY SALA RIES office For the Director of the Geological Survey and other personal services in the District of Columbia, $125,000 ; GENERAL EXPENSES serue so station for all For every ex penditure requisit e for and incident to the a uthorized Ante, p. 92.
work of the G eologi cal Su rvey, includ ing per sonal servic es in the District of Columbia and in the field, including not to exceed $35,000 for the purchase and exchange, and not to exceed $60,000 for the hire, maintenance, repair, and operation of motor-propelled and horse- drawn passenger-carrying vehicles for field use only by geologists topogra phers, engin eers, and la nd cla ssifier s, and the G eologi cal Survey is authorized to exchange unserviceable and worn-out passeng er-car rying and fr eight- carryi ng vehi cles' as par t paym ent for new freight-carrying vehicles, and including not to o>sceed $4,500 for necessary traveling expenses of the director and members of the ~AAttepdanae at meet- Geologi cal Su rvey a cting under his di rection , for attend ance u on meetings of technical, professional, and scientific societies when require d irf connec tion w ith th e auto rized w ork of the G eologi cal Survey, to be expended under the regulations from time to time prescribed by the Secretary of the Interior, and under the following heads :
