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RESOURCES
We have a variety of resources to help you find the information you need. Check out our coverage map to see where we have data, or visit our samples page to download some sample data and find out what format is right for you.We also maintain a glossary of common GIS and mapping terms used throughout or websites for your reference.
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RANDOM GLOSSARY TERM
Photogrammetry is the science of taking stereoscopic aerial images and using geometry, mathematics and physics, to enable accurate measurements of the earth's surface.
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