(Data West Research Agency definition: see GIS glossary.) A map that displays the spatial distribution of an attribute that relates to a single topic, theme, or subject of discourse. Usually, a ...

National Geographic has been producing thematic maps for decades, revealing not just physical features but also location-based details on cultures, history, wildlife, science, and more. Now, a ...

New Urban Research Inc. is hosting a one-day workshop to help communities use geographic information systems. The workshop, titled "Mapping Southern California Communities: An Introduction to GIS and ...