Geologic Mapping of Tunnels Using Photogrammetry--Camera and Target Positioning: Usgs Open-File Report 90-49

Coe, Jeffrey A; Dueholm, Keld S

ISBN 10: 1288793049 / ISBN 13: 9781288793044

Editore: Bibliogov, 2013

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Codice articolo ABLING22Oct2018170088453

Dati bibliografici

• Titolo: Geologic Mapping of Tunnels Using Photogrammetry--Camera and Target Positioning: Usgs Open-File Report 90-49
• Editore: Bibliogov
• Data di pubblicazione: 2013
• Lingua: Inglese
• ISBN 10: 1288793049
• ISBN 13: 9781288793044
• Rilegatura: Brossura
• Condizione: New

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Riassunto

The United States Geological Survey (USGS) is a scientific organization created in 1879, and is part of the U.S. government. Their scientists explore our environment and ecosystems, to determine the natural dangers we are facing. The agency has over 10,000 employees that collect, monitor, and analyze data so that they have a better understanding of our problems. The USGS is dedicated to provide reliable, investigated information to enhance and protect our quality of life. This is one of their circulars.