Understanding Topographic Maps
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Describes how a topographic map is made, demonstrates the meaning of contour lines and explains the uses of the topographic map.
Copyright
Registered 30Jan70 · MP20272 (Jan-Jun 1970) Copyright holder: John Wiley & Sons, Inc Production company: Audio Productions
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
Original permalink · Record added 2023-02-27 06:07:23