ice movement उदाहरण वाक्य

It was mapped by the United States Geological Survey from surveys and U . S . Navy air photos, 1959 65, and was named by the Advisory Committee on Antarctic Names for Robert B . Forrest, a United States Antarctic Research Program photogrammetrist, surveyor and Principal Investigator for a National Science Foundation Ice Movement Study, member of the Byrd Station Traverse of 1962-63.