TY - BOOK AU - O'Connor,Jim E. ED - Oregon. ED - U.S. Geological Survey. TI - Origin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon SN - 0607948329 PY - 2001/// CY - Reston, Va., Denver, CO PB - U.S. Dept. of the Interior, U.S. Geological Survey, For sale by the U.S. Geological Survey, Information Services KW - Geology, Stratigraphic KW - Quaternary KW - Geology KW - Oregon KW - Willamette River Valley N1 - One folded col. map in pocket; Includes bibliographical references (p. 37-40) ER -