Organ Rock Formation Organ Rock Formation The Organ Rock Formation or Organ Rock Shale is a formation within the late Pennsylvanian to early Permian Cutler Group and is deposited across southeastern Utah, northwestern New Mexico, and northeastern Arizona. This formation notably outcrops around Canyonlands National Park, Natural Bridges National Monument, and Monument Valley. The age of the Organ Rock is constrained to the latter half of the Cisuralian Epoch by age dates from overlying and underlying formations. Important early terrestrial vertebrate fossils have been recovered from this formation in northern Arizona, southern Utah, and northern New Mexico. These include the iconic Permian terrestrial
Brazos Bend State Park Brazos Bend State Park Brazos Bend State Park is a state park along the Brazos River in Needville, Texas, run by the Texas Parks and Wildlife Department. The park is a haven for a diverse mix of native wildlife and plants covering an equally diverse range of ecosystems. Brazos Bend contains areas of coastal prairie, bottomland forest, and a wide range of wetlands including open and semi-open lakes and transitional marshlands. Highlights of the Park's numerous inhabitants include over 300 species of resident and visiting migratory birds and mammals such as the white-tailed deer, nine-banded armadillo, raccoon, and North American