sentences:  This began to change in 1858, when the Coast Surveys George Davidson adapted an article published in a San Francisco, California, newspaper into an addendum to that years "Annual Report of the Superintendent of the Coast Survey".It was the first time that the Coast Survey had published a mariners guide of any kind outside of a newspaper or the Blunts "American Coast Pilot", and it is retrospectively considered the first example of what would later become the "United States Coast Pilot".Twenty-one editions of the "American Coast Pilot" had been published by the time George W. Blunt sold the copyright for the publication to the U.S. Government in 1867.