"Kauai: abundant in Pleistocene deposits near the western edge of the Haena plain [...], comparatively rare in ... [details]
"Oahu: Kahuku, in limestone bank above the sand beach, slightly northeast of wirelass station" (Hawaii) [details]
"Oahu: Pleistocene or later deposit, Kahuku, in deposit of limestone bluff above pumping station 1.2 miles ... [details]