Spotlight: U.S. Geological Survey Publications Warehouse

The U.S. Geological Survey (USGS) Publications Warehouse "provides access to over 100,000 publications written by USGS scientists over the century-plus history of the bureau" and is an excellent place for researchers to visit when looking for both current and historic environmental and natural resource related information.  With both a Basic and Advanced (click the Advanced button) database search option, the USGS's collection has select full text pdf versions of reports available online for free dating back to the 1880s.  Searchable by Publication Type, Title, Author, Year, Journal,  Contributing Office, and Report, researchers should be aware that reports usually correspond to a particular series.   In addition a complete breakdown of the contents of the database is available here.  Of interest, the USGS also has a dedicated search of their Energy Resources available here which also has select full text access to publications dating back to 1931.