Mapping and subsurface exploration for engineering purposes.
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Publication
1952 - , Washington, District of Columbia
Language
English
Word Count
13,500 words, Guess
Page Count
54 pages
Identifiers
- Library of Congress Control Number67007232
- OCLC Control Number6131642
- Open LibraryOL5531633M
Classifications
- LCCTE7 .N28 no. 65
Subjects
Genres
- Maps
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