Experts on Historic Aerial Imagery Usage and More

We regularly speak on the history of Sanborn maps, alternative sources of historical information used in Environmental Site Assessment reports and more. Our presentations engage attendees by being interactive and include valuable information that will help position projects for success. If you’d like to arrange for Jeri Massengill or David Hodnefield to speak at your association or organization, contact Jeri by calling 952-253-2004 ext. 118 or by emailing

Speaking topics include:

  • Strengths and Limitations of Historical Data used for Environmental Risk Assessment and Land Use Planning
  • The History and Current Uses of Fire Insurance Maps
  • Historical Research Requirements for Environmental Assessments
  • Using Historical Property Data to Enhance Family Research

Check out our news and events for a list of upcoming speaking events!