Minnesota Elevation Mapping Project Tim Loesch Minnesota Department

Minnesota Elevation Mapping Project Tim Loesch Minnesota Department of Natural Resources Wisconsin Land Information Association Annual Conference 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Elevation Mapping in Minnesota How did we get here? Where are we now? Where are we going? Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project How did we get here? 2000 – 2005 l Small, non coordinated projects • 35 – 1500 square miles • County based (typically) • Proprietary Data Not a lot of knowledge l Bare earth and contours l 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project How did we get here? 2006 State received $500 k for Red River Project l Cooperative project involving l • • • 11/4/2020 Mn. DNR Mn. DOT White Earth Tribal Council Wild Rice Watershed District Corp of Engineers Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project How did we get here? Digital Elevation Committee Governor’s Council on Geographic Information subcommittee l Goal – to build a statewide, publicly available high accuracy DEM l Provide Technical Guidance to Organizations collecting Li. DAR data l 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Hard Realizations Money was tough to come by Would likely be a piece-meal effort Develop Standards to ensure data compatibility across collects l Provided guidance and technical expertise l Required “champion” to push at the legislative level l 11/4/2020 State employees have limited ability to push legislative efforts Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Saturday August 18 th – 2007 Tropical Storm Erin 24 -hour rain totals 15. 10” Hokah l 17” – Caledonia l • (unofficial) 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Towns Evacuated Stockton, Houston, Elba, Minnesota City and portions of Winona Whitewater State Park 4, 200 Homes Damaged 7 Deaths $67 Million Damage 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project 7 Counties Declared Disaster Areas Steele, Dodge, Olmsted, Wabasha, Winona, Fillmore, Houston Special Legislative Session provided money for flood relief and mitigation Minnesota Elevation Mapping And Li. DAR…. . 11/4/2020 Project

Minnesota Elevation Mapping Project And things were happening elsewhere… Red River Basin collect l 48, 000 square miles in MN, ND, SD More counties… 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Clean Water, Land Legacy Amendment Add a sales tax of 0. 375% Outdoor Heritage Fund – 33% l Clean Water Legacy Fund – 33% l Parks and Trails Fund – 14. 25% l Arts and Cultural Heritage Fund – 19. 75% l $240, 000 annually 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Clean Water Legacy Fund dedicated fund available for clean water projects Convinced legislators of the value of elevation data Project Scope and Costs 40, 000 square miles to complete state l $8. 5 million l Supported Funding $2. 8 Million FY 10 l $2. 8 Million FY 11 Minnesota Elevation Mapping l 11/4/2020 Project

Minnesota Elevation Mapping Project Where are we now? 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Three Phases Minnesota River Basin Arrowhead Region Metro Area Central Lakes 11/4/2020 Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Specifications Closely aligned with UGSS Li. DAR Base Specs V 13 1. 5 meter postings l Classified LAS Data l Vendor Deliverables Point data – Li. DAR LAS files Edge of water break lines 1 meter DEM units in meters – break line enforced 11/4/2020 Minnesota Elevation Mapping Project

Profile of points - Vegetation Deciduous 11/4/2020 Coniferous Minnesota Department of Natural Resources Deciduous

Minnesota Elevation Mapping Project Generated Deliverables 2’ Contours Building Polygons Additional Items Each county partner receives a portable harddrive with a data “package” Set of Arc. GIS Tools to work with data Training materials Minnesota Elevation Mapping 11/4/2020 Project

Minnesota Elevation Mapping Project Data will be publicly available Actively exploring web delivery options l Web Services • Print a map with an Air Photo backdrop with 2’ contours? l Clip and Ship products USGS l National Elevation Dataset (NED http: //ned. usgs. gov/) • Raster DEMs l 11/4/2020 Center for Minnesota Li. DARElevation Coordination and Knowledge Mapping Project (CLICK)

Minnesota Elevation Mapping Project Great Partnering across all levels of government County and local government GIS Coordinator - data distribution l Survey/Engineer – validation points l Sharing of existing high-resolution data l Federal Cost sharing opportunities to stretch $’s l USGS l NRCS Minnesota Elevation Mapping l 11/4/2020 Project

Minnesota Elevation Mapping Project Contract/Vendors Master Contract for Li. DAR Services l 11/4/2020 Four Vendors were selected based on qualifications and costs that meet USGS Base Specifications <5, 000 sq miles 5, 000 – 10, 000 >10, 000 Arrowhead $ $ $ Central Lakes $ $ $ MN River Basin $ $ $ Minnesota Elevation Mapping Project

Minnesota Elevation Mapping Project Contract/Vendors Work Order Requests Can be competitive or directly awarded l Same form every time – different geography l What do we get out of this Multiple vendors can be deployed at once We don’t put all our eggs in one basket 11/4/2020 Minnesota Elevation Mapping Project

11/4/2020 Minnesota Elevation Mapping Project