This TX_LowerRioGrande_D22 project called for the planning, acquisition, processing, and derivative products of lidar data to be collected at an aggregate nominal pulse spacing (ANPS) of 0.18 meters (
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.
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.