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Surdex Corporation
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Public
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Elevation
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Place
Illinois, United States
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Place
Jefferson County, Illinois, United States
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1. Height Modernization (ILHMP) LiDAR Data: Jefferson County, Illinois: 2015
2015. Surdex Corporation. This project involved fixed wing aerial LIDAR data collected at a contracted point spacing of 1.0 meters for the Illinois Counties of Jefferson and...