1. Beach structure in the Medina sandstone;Fairchild;Am. Geol.,1901
2. Strand and undertow markings of Upper Devonian time as indications of the prevailing climate;Clarke;N. Y. State Mus. Bull.,1918
3. Strand markings in Pennsylvanian sandstones of Osage County, Oklahoma;Powers;J. Geol.,1921
4. Old beach markings in the western Wichita mountains;Evans;J. Geol.,1929
5. Current crescents in the Triassic Moenkopi formation;Peabody;J. Sed. Pet.,1947