Location Notes: Muddy Mountains, White Basin area, west of West Longwell Ridge, 4.2 airmiles northwest of Bitter Spring and 15.4 arimile southwest of Overton, 2.7 miles north of American Borax Road in an unnamed side wash.
Location Notes: near Yucca/Forty Mile Cyn drainage divide on Buckboard Mesa Rd, 0.3 mi e. of divide and ca 2 mi w. of jnct with Rd. 16-02, Tippipah Spg. area.; U.S. Atomic Energy Commission's Nevada test site and vicinity.
Location Notes: along Graham Hill Road, 1.7 mile southeast of California Highway 9 at Felton, 0.1 mile southeast of the Santa Cruz County Probation Center and 0.5 mile northwest of Lockewood Lane in Scotts Valley.