Condition of estuaries of the western United States for 1999 : a statistical summary / Walter G. Nelson ... [and others].

"This document is the statistical summary for the western states, coastal component of the nationwide Environmental Monitoring and Assessment Program (EMAP). The focus of the study during 1999 was the small estuaries of Washington, Oregon, and California (exluding Puget Sound, the main channel of the Columbia River and San Francisco Bay). EMAP-West is a partnership with the States of California, Oregon and Washington, the National Oceanic and Atmospheric Administration (NOAA), and the U.S. Environmental Protection Agency (EPA)..."preface (p. iii).