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
Brazos River popular recreational activity on the Brazos River with many locations favorable for launching and recovery. The best paddling can be found immediately below Possum Kingdom Lake and Lake Granbury. Sandbar Camping is also permitted since the entire streambed of the river is considered to be state-owned public property. Fishing, camping, and picnicking are legal here, including on the sandbars. Several scout camps are located along the Brazos River and they support a wide range of water and shoreline activities for scouts, youth groups and family groups. The Brazos River Authority maintains several public campsites along the river and at the