Input formats and specifications of the National Geodetic Survey data base :
volume 1. Horizontal control data /
Federal Geodetic Control Committee.

APA Citation

United States. Federal Geodetic Control Committee. (1989). Input formats and specifications of the National Geodetic Survey data base: volume 1. Horizontal control data. Rockville, MD: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration.

MLA Citation

United States. Federal Geodetic Control Committee. Input Formats And Specifications of the National Geodetic Survey Data Base: Volume 1. Horizontal Control Data. Rockville, MD: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, 1989.