Act of Aug. 6, 1947, ch. 504, sec. 4 (as amended)

Sec. 4. [33 U.S.C. 883d] To improve the efficiency of the Coast and Geodetic Survey and to increase engineering and scientific knowledge, the Director is authorized to conduct developmental work for the improvement of surveying and cartographic methods, instruments, and equipments; and to conduct investigations and research in geophysical sciences (including geodesy, oceanography, seismology, and geomagnetism).