510 Coast and Geodetic Survey wh en incurred on the written authority Distribution. of the Secretary of Commerce, to be expended in accordance with the regulations relating to the Coast and Geodetic Survey subscribed by the Secretary of Commerce, and under the following heads Field expenses .
Field expenses, Atlantic coast : For surveys and necessary resur- Atlantioco astc
veys of the Atlantic and Gulf coasts of the United States, including the coasts of outlying islands under the jurisdiction of the United Proviso. ng stands . States, $150,000 : Provided, That not more than $35,000 of this amount shall be expended on the coasts of said outlying islands and the Atlantic entrance to the Panama Canal ; Pac ific coast .
Pacific coast : For sur veys and necessa ry resur veys of coasts o n the Pacific Ocean under the jurisdiction of the United States, $200,000 . Physical hydrogra-
Tides, currents, and so forth : For continuing researches in phys- phy. ical hydrography, relating to harbors and bars, and for tidal and current observations on the coasts of the United States, or other coasts under the jurisdiction of the United States, $20,000 ; Coast Pilot .
Coast Pilot : For compilation of the Coast Pilot, including the employment of such pilots and nautical experts, and stenographic Magnetic and seis- hell) in the field and office as may be necessary for the same, $5,500. mol ogic al o bser vati ons . Magnetic work : For continuing magnetic and seismological obser- vations and to establish meridian lines in connection therewith in all part s of the Uni ted Stat es ; making magnetic and seismological observations in other regions under the jurisdiction of the United States ; purchase of additional magnetic and seismological instru- ments ; lease of sites where necessary and the erection of temporary magnetic and seismological buildings ; and including the eniploylnent in the field and office of such magnetic and seismological observers and stenographic services as may be necessary, $40,000 . Federal, boundary, and State surveys : For continuing lines of exact levels between the Atlantic, Pacific, and Gulf coasts ; deter- mini ng geo graph ic po sition s by trian gulati on an d tra verse for t he control of Federal, State, boundary, county, city, and other surveys and engineering works in all parts of the United States ; including special geodetic surveys of first-order triangulation and leveling ir_ regions subject to earthquakes, not exceeding $10,000 ; determining Ukiah and'oaithersd
field astronomic positions and the variation of latitude, including the burg observatories .
main tenanc e and oper ation of th e lat itude obser vator ies a t Ukia h, California, and Gaithersburg, Maryland, not exceeding $2,500 each ; establishing lines of exact levels, determining geographic positions by t riangu latio n and trave rse, and m aking astro nomic obse rvatio ns Alas ka o bservat ions . in Alaska ; and continuing gravity observations in the United States and for making such observations in regions under the jurisdiction of the United S tates an d also o n island s and co asts adja cent the reto, p $150,000, of which amount not to exceed $25,000 may be expended for ersonal services in the District of Columbia, and not to exceed observation at
1,500 may be expended to determine the difference in gr av ity dar n, ( ler nian y. Pots- between the international base station at Potsdam, Germany, and that of the United States ; Miscellaneous . For objects not hereinbefore named that may be deemed urgent, incl uding the p repar ation or pu rchas e of p lans and s pecif icatio ns of vessels and the employment of such hull draftsmen in the field and office as may be necessary for the same ; the reimbursement tinder rules prescribed by the Secretary of Commerce, of officers of the Coast and Geodetic Survey for food, clothing, medicines, and other s upplies furnishe d for th e tempor ai-y rel ief of di stressed per- Relieving snip- sons in remote localities and to shipwrecked persons temporarily wre cked pe rson s, etc. provided for by them, not to exceed a total of $550 ; 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 Fe dera l, State, etc ., surve ys. Determining li nes of exact levels . 72d CONGRESS . SESS . I. CH. 361. JUL Y 1, 1932 .
