- Renfrew1
- Riley1
- Rock Creek, Mazatzal Mts., Tonto National Forest, 12 miles SE. TONTO BASIN1
- San Francisco Zacapexpan; Zacapoaxtla1
- San Patricio; Pachuca; above Real del Monte1
- Santa Clara1
- Sarpy1
- Shasta1
- Sierra Madre Mt.1
- Small tributary of S. Fork King's Creek (K22/N4D), Konza Prairie Research Natural Area1
- South of Gretna1
- Texas1
- Tsawwassen, near ferry dock1
- Valley of Mexico1
- Vermont1
- Virgin Basin, 5 mi. N. Northeast of Middle Point, Lake Mead, Canyon of the Colorado, Mohave County, Arizona and Clark County, Nevada1
- Wallowa1
- West face of Raker Peak, Lassen Volcanic National Park1
- White House Canyon1
- Yukon1