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Printed number gaps remain open. The isolated 16 ft sounding is excluded. Nearshore 3 ft and 5 ft curves remain undigitized; no gaps are reconnected. The original BIG LAKE title has a handwritten Peterson correction, matched to exact DNR WBIC 2676000. The source lists 94.1 acres. Neighboring North, Tomoe and Lily lake graphics are excluded. Clipped to exact current DNR WBIC water and the reviewed historical footprint, including island exclusions, with the unchanged accepted shoreline affine. Maximum independently held-out historical placement mismatch about 52 m excludes manual source-bank picking uncertainty. Partial historical depth facts, not current measurements. Not for navigation.","reuse":"Factual depth geometry redrawn with source attribution; not an agency license or CC0 claim","reuseBasis":{"assessment":"Factual-data derivative interpretation, not an explicit agency license or CC0 claim","factsGuidance":"https://www.copyright.gov/comp3/chap300/ch300-copyrightable-authorship.pdf","mapAuthorshipGuidance":"https://www.copyright.gov/comp3/chap900/ch900-visual-art.pdf","sourceUsePolicy":"https://dnr.wisconsin.gov/legal/acceptableuse","sourceNotice":"A Public Document - Please Identify the Source when using it.","graphicRepublished":false,"limitations":"Source website terms remain relevant; reassess for commercial sale or image republication.","sourceNoticeVerified":true,"sourceNoticeEvidence":{"pages":[2],"sourceSha256":"22cfe816814661a4b91fb332faa4b30bc97a5abc7fb899575e06f5e124c65ccf","sourceURL":"https://apps.dnr.wi.gov/doclink/lakes_maps/2676000a.pdf","scope":"Verified attribution notice on appended source-information page; not a graphic-republication license"}},"originalWaterAreaAcres":94.1},"sourceSha256":"22cfe816814661a4b91fb332faa4b30bc97a5abc7fb899575e06f5e124c65ccf","reuseBasis":{"assessment":"Factual-data derivative interpretation, not an explicit agency license or CC0 claim","factsGuidance":"https://www.copyright.gov/comp3/chap300/ch300-copyrightable-authorship.pdf","mapAuthorshipGuidance":"https://www.copyright.gov/comp3/chap900/ch900-visual-art.pdf","sourceUsePolicy":"https://dnr.wisconsin.gov/legal/acceptableuse","sourceNotice":"A Public Document - Please Identify the Source when using it.","graphicRepublished":false,"limitations":"Source website terms remain relevant; reassess for commercial sale or image republication.","sourceNoticeVerified":true,"sourceNoticeEvidence":{"pages":[2],"sourceSha256":"22cfe816814661a4b91fb332faa4b30bc97a5abc7fb899575e06f5e124c65ccf","sourceURL":"https://apps.dnr.wi.gov/doclink/lakes_maps/2676000a.pdf","scope":"Verified attribution notice on appended source-information page; not a graphic-republication license"}},"partialCoverage":true}