Nature of a Whewellite-Rich Rock Crust Associated with Pictographs in Southwest Texas (1999-17) On December 31, 1999 By NCPTT Read more
Origin of Whewellite-Rich Rock Crust in the Lower Pecos Region of Southwest Texas and its Significance to Paleoclimate Reconstructions (1996-03) On December 31, 1996 By NCPTT Read more
