Topographic instructions
Subtitle: book 1, part 1-A, preface and contents
By: prepared by Topographic Surveys Section, Research and Technical Control Branch, Topographic Division
Series: Geological Survey circular -- 92; Geological Survey circular -- 92.
Publisher: The Division
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Topographical surveying; Photogrammetry; Cartography
Notes: Cover title.