
Raft
On February 14, 1818, David Gordon received a patent for his raft design. When a patent is granted, it excludes others from making, using, offering for sale, or...

Rehoboth Beach, Delaware
This aerial photograph, taken on August 14, 1954, shows the town and coastline of Rehoboth Beach, Delaware. At the time, Rehoboth was a small beach town surrounded by...

Sailboats on Lake Michigan
A photographer for the Documerica project took this image of sailboats on Lake Michigan in October 1973. The Documerica photography program was...

San Francisco waterfront
This satellite photograph, taken on October 29, 1985, shows the waterfront of San Francisco, California. A portion of the San Francisco-Oakland Bay Bridge is shown on...

Staying cool in DC
The wading pool at Garfield Park in southeast Washington, DC, offered children a place to cool off and have some summertime fun in 1914. Today, Garfield Park is one...

Surveying the West
Observed by curious onlookers, several boats of the Wheeler Expedition leave Camp Mojave in the Arizona Territory on September 15, 1871. Between 1871 and 1879...

Testing the subsurface for the Bureau of Reclamation
Established in 1902, the U.S. Bureau of Reclamation was chartered to manage, develop, and protect water resources in the American West. Among the activities of the...