2020 Field Contact Cards
收藏数据链接：
官方服务：
资源简介：
This dataset contains field contact cards completed from January 1, 2020 - December 31, 2020. The design and purpose of Field Contact Cards have evolved over the years. Note that the team beat boundaries have changed over time; the beats listed in this dataset were accurate at the time of the contact.
提供机构：
{{source}}创建时间：
2020-04-09
