NORCAL1854_1880 - Vectorized Shoreline of Northern California from 1854-1880 Source Data
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There are critical needs for a nationwide compilation of reliable shoreline data. To meet these needs, the U.S. Geological Survey (USGS) has produced a comprehensive...
当前亟需开展全国范围内可靠岸线数据的汇编整合工作。为满足此类需求,美国地质调查局(U.S. Geological Survey, USGS)已产出一套全面的……



