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 include hiking, fishing, and wildlife viewing. Like in much of the upper Gulf Coast located along the northern vanguard areas of the Central Flyway migratory route, bird watching in Brazos Bend is a popular activity, especially during the migratory seasons. The park offers numerous Scouting programs, an orienteering course and is a popular spot for geocaching. The Texas Parks and Wildlife staff and the Brazos Bend State Park Volunteer Organization put on a variety of education programs on a weekly basis at the Park, and actively conduction outreach efforts in the local area. Popular programs include bird and photography hikes,