Category:
Society-->
Government
sofia.usgs.gov
|
sofia.usgs.gov - SOFIA Virtual Tour - Glossary and Acronyms, canal - A man-made waterway that is used for draining or irrigating land or for navigation by boat. control structure - Man-made structures that regulate ...
|
View counts(59)
Domain: usgs.gov
added by solarboy
sofia.usgs.gov-SOFIA Virtual Tour - Glossary and Acronyms