American Cretaceous Ferns of the Genus Tempskya: Usgs Professional Paper 186-F by C. B. Read, R. W. Brown

American Cretaceous Ferns of the Genus Tempskya: Usgs Professional Paper 186-F

C. B. Read, R. W. Brown

50 pages missing pub info (editions)

nonfiction politics
Powered by AI (Beta)
Loading...

Description

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 ov...

Read more

Community Reviews

Loading...

Content Warnings

Loading...