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Port Silt Loam is the state soil of Oklahoma. This type of soil is reddish in color due to the weathering of reddish sandstones, siltstones, and shales of the Permian period. It is a medium-textured alluvial soil deposited along flood plains. Port Silt Loam can be found in 33 of the 77 counties in Oklahoma and covers around one million acres ...
Tar Creek is an area of 1,188 square miles located in Ottawa County, Oklahoma, within the Tri-State district of lead and zinc mining in Northeastern Oklahoma, Southwestern Missouri, and Southeastern Kansas. The first mining took place in Missouri around 1850. By 1908, sites had been started in Miami, Picher, and Commerce.
Tennessee-Tombigbee Waterway (red) The locks and dams (L&D) along the Tennessee-Tombigbee Waterway The Tennessee–Tombigbee Waterway (popularly known as the Tenn-Tom) is a 234-mile (377 km) artificial U.S. waterway built in the 20th century from the Tennessee River to the junction of the Black Warrior-Tombigbee River system near Demopolis, Alabama.
Tulsa Ports consists of the ports of Catoosa and Inola near Tulsa, Oklahoma, United States, on the Verdigris River, a tributary of the Arkansas River and the Mississippi River. The ports are at and near the head of navigation for the McClellan-Kerr Arkansas River Navigation System (MKARNS). They enable year-round, ice-free barge service with ...
Krebs, Oklahoma § 1892 mining explosion: Accident – coal mine Krebs, Oklahoma (then Choctaw nation, Indian Territory) Natural gas explosion 100+ 1899 Great Blizzard of 1899: Winter storm, cold wave: Contiguous United States: 100 1900 1900 Guam typhoon: Tropical cyclone Guam: 100 1918 T. A. Gillespie Company Shell Loading Plant explosion
The Oklahoma Conservation Commission is an agency of the government of Oklahoma under the Governor of Oklahoma. It is the duty of the Commission to conserve Oklahoma's land and water. The Commission is also responsible for upstream flood control protection, a state-funded conservation cost-share program, reclamation of abandoned mine land and ...
Oklahoma has more than 200 lakes created by dams. All lakes listed are man-made. Oklahoma's only natural lakes are oxbow and playa lakes. Oklahoma has sixty-two oxbow lakes at least 10 acres in size. The largest, near the Red River in McCurtain County, is 272 acres. Playa lakes are found in saucer-shaped depressions in the high plains region.
The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt): If the ...