Curtis D M Depositional environments and paleoecology: Environmental models in ancient sediments - Tulsa Society of Economic Paleontologists and Mineralogists 1978 - 240p. cm. - Society of economic paleontologists and mineralogists reprint series; 6 . Standard No.: 58401 Source: Textual Subjects--Topical Terms: Geology Dewey Class. No.: H230j6(G:5)z7, L8