價格：免費
更新日期：2018-01-05
檔案大小：14.4 MB
目前版本：1.1
版本需求：需要 iOS 11.2 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
District 40 is a fun way to discover the original forty boundary stones that were placed by Major Andrew Ellicott and his surveying team under the commission of President George Washington. These markers formed the original borders of what became the District of Columbia and capital of the United States.
Use District 40 to:
* See Washington D.C.’s original border marked by boundary stones on an interactive map.
* Tap on map pins to get hints for specific locations of boundary stones.
* Activate Geo-tracking notifications and get directions to each boundary stone utilizing Apple maps by tapping on the map button in the map pin detail display.
* Quickly zoom in on boundary stones by tapping on its name in the map side menu.
* Mark the Boundary Stones you have found by tapping on the star buttons in the side menu or the map pin detail display.
* Interact with other District 40 users in the Main Feed chat or create your own private chat group and add other users that you want to talk with.
支援平台：iPhone