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Geodetic Database: Minnesota Department of Transportation (Mn/DOT)
The Geodetic Database contains information on permanent geodetic control marks located in Minnesota or just outside its boundaries. Permanent geodetic control marks are... -
DNRGPS
DNRGPS is an update to the popular DNRGarmin application. DNRGPS and its predecessor were built to transfer data between Garmin handheld GPS receivers and GIS software. DNRGPS...
您也可以使用API (應用程式介面) (see API 文件)註冊。