Military Grid Reference system
GIS Glossary General GIS Glossary provided by AGI GIS Glossary used in the Delaware County Auditor's GIS website: Accuracy The closeness or nearness of the measurements to the true or actual value of the quantity being measured.
What's New In GIS: GITA | CENSUS | ESRI | GISWorld | Intergraph | USGS
Natioal Wetland Inventory
Now that I’ve *finally* finished the series on how to meet or beat most of Google Earth Plus’s features without paying for it, here’s a one-post set of links to all the posts in the series.
Data Layers on the THMP Site are in GIS Shapefile (.shp) format.