1. Great Lakes Regional Height Modernization Meeting March 23, 2010 Height Modernization in Indiana Who we are How we got here Thomas A. Mahon, LS

2. Great Lakes Regional Height Modernization Consortium Meeting Indiana Organizational Structure Combined Resources of the: Indiana Society of Professional Land Surveyors (ISPLS) GPS-GIS Monumentation Committee Indiana Geographic Information Council (IGIC) Indiana Map Committee – Elevation & Geodetic Control Workgroup aka Indiana Height Mod Committee

3. Great Lakes Regional Height Modernization Consortium Meeting Workgroup Members Ryan Swingley, LS, USI Consultants Robert Wilkenson, LS, DNR Joel Bump, INDOT Eric Banschbach, LS, INDOT Henry Aldridge, LS, INDOT Matt Badger, LS, BLA Matt Healy, LS, VS Engineering Joe Mullins, LS, Hamilton County Surveyors Office Perry Cloyd, LS, Midwest Surveying William A. Schmidt, PE, LS, TBE Group B.H.W. van Gelder, PhD, Purdue University Phil Worral, GISP, IGIC Thomas A. Mahon, PE, LS, Woolpert

4. Great Lakes Regional Height Modernization Consortium Meeting What is Height Mod Height Modernization Activities undertaken with the intention of making the establishment of elevations easier, cheaper, more accurate, and more consistent. Started as a Joint Effort between NGS and California Demonstrated that technologies and partnerships could successfully be applied to issues involving elevations Current Status: Some 16 states have been funded Another 17 states are interested but have yet to be funded (Including Indiana) The balance have yet to express interest

5. Great Lakes Regional Height Modernization Consortium Meeting Height Mod Status by State

6. Great Lakes Regional Height Modernization Consortium Meeting Height Mod in Indiana (1 of 2)

7. Great Lakes Regional Height Modernization Consortium Meeting Height Mod in Indiana (2 of 2)

8. Great Lakes Regional Height Modernization Consortium Meeting High Mod and Geodetic Infrastructure in Indiana ISPLS got actively involved in geodetic infrastructure in early 1990’s Mid – Late 1990’s First Two Phases of Indiana High Accuracy Reference Network HARN partially funded by county surveyors Early 2000’s ISPLS and IGIC Joined Forces Third Phase of Indiana HARN Mid-2000’s Public Land Section Corner Perpetuation Digital Submission Ordinances Initial Support for InCORS Initial Grant Proposal for Height Mod (2006)

9. Great Lakes Regional Height Modernization Consortium Meeting Height Mod Time Line for Indiana 2006 Initial Grant Proposal to USGS for Matching Funds 2007 Indiana Height Mod Forum Converted Indiana from Uninterested into an Interested, Unfunded State 2008 Developed Height Mod Roadmap and Report 2009 Developed Justifications for Height Mod 2010 Convert Indiana into a Funded State?

10. Great Lakes Regional Height Modernization Consortium Meeting Great Lakes Regional Height Modernization Consortium Success of Height Mod Program stretched resources of NGS Leverage experience of veteran Height Mod states Address regional issues

11. Great Lakes Regional Height Modernization Consortium Meeting Past GLRHM Consortium Meetings Madison, Wisconsin Fall 2008 Lansing, Michigan March 2009 Rockford, Illinois November 2009

12. Great Lakes Regional Height Modernization Consortium Meeting March 2010 GLRHM Consortium Meeting

13. Great Lakes Regional Height Modernization Consortium Meeting March 2010 GLRHM Consortium Meeting

14. Great Lakes Regional Height Modernization Consortium Meeting March 2010 GLRHM Consortium Meeting Focus of Meeting Advancing the cause of height modernization at a time of limited NGS Height Mod funding