Raster altimetry component of SM 5 is based on vector file of contour lines from ZABAGED®. However, this product has not been updated contrary to ZABAGED® since 2007.
This document is the Standard Area Measurements - 2016 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...
Carroll County planimetric features were created using the MD Statewide aerial photography flown in March of 2025. Capturing fences were part of this project completed by NV5.