Topographic instructions of the United States Geological Survey. Roads and railroads : standards and procedures for the map treatment of roads and railroads.
Roads and railroads
Geological Survey (U.S.)
Geological Survey (U.S.). Topographic Division.
1967
Topographic instructions of the United States Geological Survey. Roads and railroads : standards and procedures for the map treatment of roads and railroads.
Topographic instructions of the United States Geological Survey. Cartographic tables : tables of quadrangle areas; instructions and tables for making or checking polyconic projections at selected scales.
Geological Survey (U.S.)
Geological Survey (U.S.). Topographic Division.
1964
Topographic instructions of the United States Geological Survey. Cartographic tables : tables of quadrangle areas; instructions and tables for making or checking polyconic projections at selected scales.
Topographic instructions of the United States Geological Survey. ER-55 plotter procedures : instructions in the standard operating procedures for the ER-55 plotter, including a description of equipment.
Geological Survey (U.S.)
Geological Survey (U.S.). Topographic Division.
1961
Topographic instructions of the United States Geological Survey. ER-55 plotter procedures : instructions in the standard operating procedures for the ER-55 plotter, including a description of equipment.
Topographic instructions of the United States Geological Survey: Kelsh plotter procedures. instructions in the standard operating procedures for the Kelsh plotter, including a description of equipment.
Geological Survey (U.S.)
Geological Survey (U.S.). Topographic Division.
1960
Topographic instructions of the United States Geological Survey: Kelsh plotter procedures. instructions in the standard operating procedures for the Kelsh plotter, including a description of equipment.