U.S. Counties represents the counties of the United States in the 50 states, the District of Columbia, and Puerto Rico.
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https://figshare.com/articles/U_S_Counties_represents_the_counties_of_the_United_States_in_the_50_states_the_District_of_Columbia_and_Puerto_Rico_/12055494/1
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U.S. Counties represents the counties of the United States in the 50 states, the District of Columbia, and Puerto Rico.
提供机构：
Shaohua Wang
创建时间：
2020-03-31
