Public domain
Science and research. Mineral prospecting. Micro-fossils can play an important role in locating the proper spot to drill an oil well. A magnificent history of the flow of ancient seas, of climate, of the rise and fall of empires of primitive forms of life is preserved in stone. Students in defense t
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineScience and research. Mineral prospecting. Micro-fossils can play an important role in locating the proper spot to drill an oil well. A magnificent history of the flow of ancient seas, of climate, of . 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Untitled photo, possibly related to: Washington, D.C. Workers of the U.S. Geological Survey, Alaska branch, making the final drafting of an air navigation chart for the U.S. Army air forces
Washington, D.C. Workers of the U.S. Geological Survey, Alaska branch, making the final drafting of an air navigation chart for the U.S. Army air forces
A freshman zoology class at Iowa State College. Ames, Iowa
A senior class in bacteriology in the dairy building at Iowa State College. Students are counting the bacteria in milk before and after pasteurization. Ames, Iowa
High school Victory Corps. Potential Army and Navy radiomen are these students of Polytechnic High School, Los Angeles, California
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. General view of the plotting room