Não informado. (1974). Utah geology. Utah Department of Natural Resources, Geological and Mineral Survey.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Utah Geology. Salt Lake City, Utah: Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Utah Geology. Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.