Category Archives: Practical Applications

An Example of Local Government Using GIS (2 of 30)

As the “2 of 30” in the title implies, this post is part of an ongoing series discussing Missouri Revised Statute § 67.1850. (If you haven’t read it yet, you may want to go to the first post in the series: Introducing Mo. Rev. Stat. § 67.1850 (1 of 30).) The purpose of this second post is to… Read More »

Ancient Boundary Issues

If a property boundary dispute is older than 25 years old, in the legal field, we call it an ancient boundary dispute. These disputes are very common! ancient, adj. Evidence. (14c) Having existed for a long time without interruptions, usu. at least 20 to 30 years <ancient deed> <ancient map>. • Ancient items are usu. presumed to be… Read More »

Missouri Mappers 2019

Welcome to a partnership between the Missouri Mappers Association and GeoVelo where we are developing a uniform manual of procedures and resources for every Missouri government cadastral mapper Thank you! I am grateful the Missouri Mappers Association who have asked me back for the third year in a row to teach another set of classes at their 2019… Read More »

Home-Brewed Ground Control Markers

DIY UAV Ground Control Markers Hey, Kids! It’s All Drones These Days! Thanks to their availability, quality, and increasing ease of use, many GIS organizations are collecting aerial imagery with unmanned aerial vehicles (UAVs). With the abundance of high-resolution imagery coming from UAVs, members of the GIS tribe often find ourselves using ground control markers (GCMs) to georeference… Read More »

Surveys, Utility Easements & Rain

This was originally posted in 2015. My good friend Kris and his lovely fiancé Dena are in the process of buying a house. Kris has helped me work on my motorcycles and trucks more times than I can count. He’s one of those good guys who will help you out without ever asking for anything in return, and… Read More »