1. Geophysical, sedimentological, and photographic data from the John Day Reservoir, Washington and Oregon, data archive and preliminary discussion [electronic resource] Yale Public content 2004. 2005-01-24T19:20:16Z. 2006-07-18T18:34:08Z. Cross, VeeAnn. U.S. Geological Survey. English. Public. Umatilla, Lake (Or. and Wash.) and Columbia River Watershed.