Universal transverse mercator grid tables for latitudes 0⁰-80⁰.  Clarke 1866 spheroid (meters)  Coordinates for 7 ¹/₂-minute intersections
Series: Its AMS technical manual -- no. 21; AMS technical manual -- no. 21
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 162
Subjects: Map projection
Other titles: Mercator grid tables.; Clarke 1866 spheroid (meters).