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The City of Clarksville incorporated area has changed over time due to annexations by the City. GIS mapping capabilities have also progressed over time. An evaluation of the City Boundary was conducted in 2018 due to new annexations, Growth Plan Amendments, 2020 Census, and known discrepancies with the Parcel dataset managed by the Montgomery County Tax Assessor's office. The Clarksville-Montgomery County Regional Planning Commission is responsible for processing annexation requests and so has a need to update the City boundary. The Regional Planning Commission worked with Austin Peay State University' s GIS Center to identify discrepancies between the current City Boundary and the parcel data. A number of parcels are partially within the City and partially with the unincorporated portion of the county. The split parcels and other deviations were documented by the GIS Center. The GIS Center presented the information to the Regional Planning Commission who then further investigated each discrepancy and going through each corresponding annexation's legal description and/or map when available. Several discrepancies were due to original mapping not snapped to parcel lines or conducted at the same scale causing slivers. After reviewing and correcting erroneous slivers the Regional Planning Commission sent the GIS files to the Tax Assessor's office for review. The Tax Assessor's office reviewed the boundary and verified changes with plat information they utilize. The update was completed in May, 2019. Annexations A-1-2019 and A-2-2019 were passed by City Council on July 2, 2019 and became effective August 1, 2019. Annexation A-3-2019 was passed by City Council on August 1, 2019 and became effective August 30, 2019. 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