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The project area covers approximately 1,575 square miles. Supplemental Information: The Wisconsin Regional Orthoimagery Consortium (WROC) is a multi-entity group of county members and partners led by regional planning commissions (RPCs) and WROC representatives from Ayres Associates. The goal of the consortium is to build and sustain a multi-participant program to acquire digital orthoimagery and elevation data throughout Wisconsin. 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Aerial imagery was collected on April 27th using a Microsoft Vexcel UltraCam Eagle sensor mounted in a fixed-wing aircraft. Aerial imagery was collected to support 0.25 ground sample distance (GSD) orthoimagery to meet ASPRS Class II horizontal accuracy specifications at 1\" = 50' map scale. The horizontal accuracy meets or exceeds 1.0 foot RMSE using the National Standards for Spatial Data Accuracy (NSSDA) standards. Resultant orthoimagery was rectified to the new DEM from a LiDAR surface created in 2015 as part of the WROC program. Orthoimagery was delivered in PLSS section GeoTiff and MrSID tiles and a project-wide MrSID mosaic. The orthoimagery was delivered according to a four-section tiling schematic. The total project area is 50 sq. miles, plus a 500-ft buffer around the city boundary. Geographic Description: The City of Wausau is located in north-central Wisconsin, where it is the county seat of Marathon County. The Wausau area is at the center of cultivation for American ginseng, as 95% of commercial ginseng grown in the United States comes from Marathon County. Supplemental Information: The Wisconsin Regional Orthophotography Consortium (WROC) is a multi-entity group led by regional planning commissions (RPCs) and WROC representatives from Ayres Associates. The goal of the consortium is to build and sustain a multi-participant program to acquire digital orthoimagery and elevation data throughout Wisconsin. 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