# Essentials of Geographic Information Systems

- By: LibreTexts
- Source: [LibreTexts](https://geo.libretexts.org/Bookshelves/Geography_(Physical)/Essentials_of_Geographic_Information_Systems_(Campbell_and_Shin))
- Licence: [CC BY-NC-SA 3.0](https://creativecommons.org/licenses/by-nc-sa/3.0/)
- Read at LibreTexts: https://geo.libretexts.org/Bookshelves/Geography_(Physical)/Essentials_of_Geographic_Information_Systems_(Campbell_and_Shin)
- PDF: https://downloads.libretexts.org/api/v1/download/geo-6300/pdf

This text integrates key concepts behind the technology with practical concerns and real-world applications. Recognizing that many potential GIS users are nonspecialists or may only need a few maps, this book is designed to be accessible, pragmatic, and concise. The text also illustrates how GIS is used to ask questions, inform choices, and guide policy.