미국
Water Quality Monitoring Locations from the 1996 Report Entitled: Baseline Water Quality Inventory, Grand Canyon National Park
This file contains the locations at which water quality data was summarized in the 1996 report entitled: Baseline Water Quality Inventory, Grand Canyon National Park. The data and locations existed in the United States Environmental Protection Agency's Storage and Retrieval (STORET) water quality database management system when the report was published.