Summary: Scale c. 1:500,000; 1 in. equals approx. 8 miles. and spot heights. "National geodetic vertical datum of 1929." "1927 North American datum. Lambert conformal conic projection based on standard parallels 33? and 45?." AACR2 Created / Published: R
Map size: 18 inches x 24 inches | Ready to frame in standard size frame | Frame not included | Archival quality reproduction
Summary: Scale c. 1:500,000; 1 in. equals approx. 8 miles. and spot heights. "National geodetic vertical datum of 1929." "1927 North American datum. Lambert conformal conic projection based on standard parallels 33? and 45?." AACR2 Created / Published: Reston, Va., 1976.