This data represents LiDAR-derived breaklines (QL1) for Iron County, Wisconsin in 2019 (QL1 – high resolution data with 8 points per square meter). Hydro breaklines maintain the definition of water-related features in an elevation model. They are used to capture linear discontinuities in the surface, lake shorelines, single-line drains for small rivers, and double-line drains for large rivers.
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