Estimated Densities of Residential Septic Tanks across the Conterminous United States for 12-digit Hydrologic Unit Code 12 (HUC12), National Hydrography Dataset Plus Version 2 (NHDPlusV2) Catchment, and Block Group Scales
收藏data.gov2026-01-17 收录
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This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1,...
本数据集提供了基于12位水文单元代码(Hydrologic Unit Code,HUC12)以及国家水文数据集(National Hydrography Dataset,NHD Plus 2.1版)的住宅化粪池密度估算值,……



