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Agenda. Know Your History How to Trace a Parcel’s Lineage. The Quest for History Tabular Genealogy Spatial Genealogy Demonstration. Van O’Brien The Sidwell Company October 3, 2008. The Quest for History. Large Demand from Assessors Tracking Sales and Ownership
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Agenda Know Your History How to Trace a Parcel’s Lineage The Quest for History Tabular Genealogy Spatial Genealogy Demonstration Van O’Brien The Sidwell Company October 3, 2008
The Quest for History Large Demand from Assessors Tracking Sales and Ownership Changes in Sales Ratios Seeing what the world looked like GIS gives decision makers more time to make more informed decisions
Tabular Genealogy Tracking Lineage Using Parcel Maintenance Database Captures Parent/Child Relationship, Historical Data Approach Spatial Genealogy Recovery of Historical Parcels in Geodatabase Captures the Spatial Characterisitics
Tabular Genealogy Origins in Parcel Control Books Monitor Parcel Number Assignments Champaign County, Illinois Parcel Builder Administrator Communicates with CAMA
Parents Children Transactions Attachments Split Genealogy Terms
SplitOne Parent, Multiple Children ConsolidationMultiple Parents, One Child Complex Splits/ConsolidationsTwo Transactions Transactions Parents Retired – Children Assigned Next Available #
Supplemental Digital Files Plats, Surveys, Deeds, Etc. Linked to Parcels and/orTransactions Attachments
9.3 Versioned Geodatabase Records Edits to Default Time Stamped Geometry Captures Date of Edit Can Query Data by Date Use PBA to Locate/Attribute Spatial Genealogy
THANK YOU The Sidwell Company 675 Sidwell Ct. St. Charles, IL 60174 (630) 549-1000 www.sidwellco.com