Page:United States Statutes at Large Volume 50 Part 1.djvu/318

 75TH CONGRESS, 1ST SESSION-CH. 359-JI-NE 16, 1937 instruments for aerial photographic surveying, $114,000 : Provided, That not more than $35,000 of this amount shall be expended on the coasts of sai d outlying is lands and the Atlantic ent rance to the Panama Canal ; Pac ific coa st : For surveys and n ecessary resu rveys of coa sts on the Pacific Ocean under the jurisdiction of the United States, and incl uding the employment in the f ield and office of one physic ist to develop survey methods based on transmission of sound through sea water, $163,000 ; Tides, currents, and so forth : For continuing researches in physical hydr ography, relating to harbors and bars, and for tidal and c urrent observations on the coasts of the United States, or other coasts under the jurisdiction of the United States, $12,700 ; Coast Pilot : For compilation of the Coast Pilot, including the empl oyment of suc h pilots and nautical expe rts, and sten ographic help in the field and office as may be necessary for the same, $4,200 ; Magnetic and seismological work : For con tinuing m agnetic and seismological observations and to establish meridian lines in connec- tion therewith in all parts of the United States ; making magnetic and seismological observations in other regions under the jurisdiction of the United States ; purchase of additional magnetic and seismologi- cal instruments ; lease of sites where necessary and the erection of temporary magnetic and seismological buildings ; and including the employment in the field and office of such magnetic and seismological observers, and instrument makers and stenographic services as may be nec essa ry, $58 ,500 ; Federal, boundary, and State surveys : For continuing lines of exact levels between the Atlantic, Pacific, and Gulf coasts ; deter- mining geographic positions by triangulation and traverse for the control of Federal, State, boundary, county, city, and other surve ys and engineering works in all parts of the United States ; including special geodetic surveys of first-order triangulation and leveling in regions subject to earthquakes, not exceeding $10,000 ; determining field astronomic positions and the variation of latitude, including the maintenance and operation of the latitude observatories at Ukiah, California, and Gaithersburg, Maryland, not exceeding $2,500 each ; establishing lines of exact levels, determining geographic positions by triangulation and traverse, and making astronomic observations in Alaska ; and continuing gravity observations in the United States and for making such observations in regions under the jurisdiction of the United States and also on islands and coasts adjacent thereto, $93,000, of whi ch amount not to exceed $3 5,440 may be expended for personal services in the District of Columbia ; Miscellaneous objects : For the pre paration or p urchase of pl ans and specifications of vessels and the employment of such hull drafts- men in the field and office as may be necessary for the same reimbursement, under rules prescribed by the Secretary of Commerce, of officers of the Coast and Geodetic Survey for food, clothing, medi- cines, a nd other supplies furnished f or the temporary relief of di s- tres sed persons in remote localit ies and to shipwrecked person s tem- porarily provided for by them, not to exceed a total of $500 ; actual necessary expenses of officers of the field force temporarily ordered to the office in the District of Columbia for consultation with the director, and not exceeding $3,000 for special surveys that may be re quired by the Bureau of Li ghthouses or other proper authority, $3,600 ; Vessels : For repair of vessels, exclusive of engineer's supplies and othe r ship chandlery, $68. 30 0 ; Pacific coast. 293 Pr ovi so. Outlying islands ; Atlantic entrance to Panama Canal. Physical hydrog- raphy. Coast Pilot. Magnetic and eis- mological work . Fed eral, bou ndar y, and State surveys . Ckiah and Gaithers- burg ob servatories. Alaska. Mis cell aneo us ob - jects. Relief of d istressed persons. Vessels, repair, etc.
 * the