The area of Patuxent Research Refuge is 51.8 square kilometers.
Patuxent Research Refuge was created in 1936.
Preston-on-the-Patuxent was created in 1924.
Patuxent High School was created in 1996.
The area of Driftless Area National Wildlife Refuge is 3,286,006.946424576 square meters.
The area of Chychkan Wildlife Refuge is 366 square kilometers.
The area of Chandalash Wildlife Refuge is 350 square kilometers.
The area of National Elk Refuge is 101.171 square kilometers.
The area of Choctaw National Wildlife Refuge is 17.07 square kilometers.
The area of Aransas National Wildlife Refuge is 464 square kilometers.
Patuxent River Naval Air Museum was created in 1975.
The area of Desecheo National Wildlife Refuge is 1,456,868.312064 square meters.
The area of Waccamaw National Wildlife Refuge is 92.798 square kilometers.