The oldest exposed rock forms in the watershed are graphic granite, which dates to 1400 million years before present.^[1] The watershed holds a diverse flora and fauna. Within this part of the Sierra Ancha range there are notable disjunctive populations of Coastal woodfern, Dryopteris arguta;^[2] this fern is otherwise common in areas nearer the Pacific coast.

• Workman Creek

Citations

• Ivo Lucchitta. 2001. Hiking Arizona's Geology, Published by The Mountaineers Books, ISBN 978-0-89886-730-5
• Tom Dollar and Jerry Sieve. 1999. Guide to Arizona's Wilderness Areas, Big Earth Publishing, ISBN 1-56579-280-7
• C. Michael Hogan. 2008. Coastal Woodfern (Dryopteris arguta), GlobalTwitcher, ed. N. Stromberg

• Salome Creek – 33°54′57″N 111°01′45″W / 33.91583°N 111.02917°W / 33.91583; -111.02917