A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
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,...
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.
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.