USCGS survey. Coast. Cape Cod RI Massachusetts NH; Lake Champlain 1881 old map'United States Coast and Geodetic survey sketch a showing the progress of the survey in section No. 1 From 1844 to 1881; Inset maps of Sub sketch showing the position of Davis' Shoal discovered by the survey in 1846; United States Coast and Geodetic survey progress of the Survey of Lake Champlain June 30, 1881' National Geodetic Survey National Geodetic Survey, formerly called the U. S. Coast and Geodetic Survey (U. S. C. G. S.), is a United States