Isohyetal map showing distribution of average annual precipitation for the Black Hills area, South Dakota, water years 1961-90
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资源简介：
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset provides lines of equal average annual precipitation for water years 1961-90 in the Black Hills area of South Dakota.
创建时间：
2023-01-01
