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Historical Wetlands of the California Coast, Southern California T-Sheets
This historical dataset is derived from historical U.S. Coast Survey T-sheets. It was used to assess the extent and variety of historical wetlands and streams along the southern California coast.
Under the direction of some of the leading American scientists of the 19th century, the United States Coast Survey (USCS) created exceptionally accurate and detailed maps of the country's coastline. These surveys (commonly referred to as "T-sheets") are the single most important ...
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