Hassler's first series of triangles. Note the extent of New York City in 1817. Secondary triangles were observed to fill in the map.
High resolution available. (928 kb, 2153x3264).
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
Hassler's first series of triangles. Note the extent of New York City in 1817. Secondary triangles were observed to fill in the map.
High resolution available. (928 kb, 2153x3264).
