[Weekly. Issued jointly with Coast and Geodetic Survey. The leaves in no. 1, dated Jan. 5, 1938, have been incorrectly numbered 636-655, instead of 1-20.]
Notes:
[Weekly. Issued jointly with Coast and Geodetic Survey. The leaves in no. 1, dated Jan. 5, 1938, have been incorrectly numbered 636-655, instead of 1-20.] † Distribution Made by Issuing Office.