CNDDB-tracked Elements by Quad [ds2853]

This dataset provides basic California Natural Diversity Database (CNDDB) information at the USGS 7.5 minute topographic quad level.本数据集提供了基于美国地质调查局（United States Geological Survey，USGS）7.5分钟地形四等分图幅层级的加州自然多样性数据库（California Natural Diversity Database，CNDDB）基础信息。