Fruitland Formation the Colorado-New Mexico state line, and is one of the most productive areas for coalbed methane in the United States. The Fruitland is underlain by the Pictured Cliffs Sandstone, and overlain by the more recent Kirtland Formation. The sequence of rocks represents the final filling of the Cretaceous seaway. The underlying Pictured Cliffs is a marginal marine sandstone, deposited in an environment similar to offshore barrier islands of the southeast United States. As the seaway retreated, the Pictured Cliffs was covered by the Fruitland Formation, which was deposited in near-shore swampy lowlands. The formation is dated to the late Campanian
Hole in the Rock (rock formation) expedition, runs southeast from near the town of Escalante to a parking area just above the crevice. Alternatively, the bottom of the route can be accessed by boat, at buoy 66 on Lake Powell in the Glen Canyon National Recreation Area. The Hole in the Rock was listed on the National Register of Historic Places in 1975. Hole in the Rock (rock formation) Hole in the Rock is a narrow and steep crevice in the western rim of Glen Canyon, in southern Utah in the western United States. Together with another canyon on the eastern side of the Colorado River,