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
USS Brazos (AO-4) USS Brazos (AO-4) USS "Brazos" (AO-4) was an "Kanawha"-class fleet oiler built during World War I for service in the United States Navy, and named for the Brazos River, the longest river in the State of Texas. "Brazos" was laid down at the Boston Navy Yard; launched 1 May 1919; sponsored by Miss Catherine Rush; and commissioned 1 October 1919, Commander R. Werner, USNRF in command. As a tanker attached to the Train, Scouting Fleet, "Brazos" carried fuel oil and stores along the east coast of the United States and in the Caribbean. In 1922 she served temporarily with the