1. Geology of the Ciales Quadrangle, Puerto Rico;Berryhill;U.S. Geol. Surv. Bull.,1965
2. The origin of massive dolomite;Land;Jour. Geol Ed.,1985
3. Inverted J carbon and oxygen isotopic trends-criteria for shallow meteoric phreatic diagenesis (abstr.);Lohmann;Geol Soc. Amer. Abstr. with Programs,1982