2024-04-172024-04-17https://hdl.handle.net/10605/371949"Top - surface [illegible] to caprock band | below cap - Ogalla into Pliocene | Cretaceous shows in spillway of middle dam | Triassic exposed in valley wall about 20 miles below spillway/ either side (has not seen it) | Photo made looking from middle dam toward Northwest."2 pdf pages.application/pdfThe images in this collection are for study purposes, teaching, classroom projection and research only. To use these digital files in any form, an attribution of "Courtesy of the Southwest Collection/Special Collections Library" must accompany the image.Lubbock County (Tex.)--HistoryLubbock (Tex.)Midland (Tex.)Estacado (Tex.)Cowboys--TexasQuakers--TexasImage