III · Science
Open source GIS
Subjects
GRASS (Electronic computer system) · Geographic information systems · Open source software · Geographical information systems (GIS) · Urban & municipal planning · Information Systems (Geography)
Language
ENG




![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](https://covers.openlibrary.org/b/id/10200621-M.jpg)
