| Acronym |
Meaning |
| 1D |
One Dimensional |
| 2D |
Two-dimensional |
| 3D |
Three-dimensional |
| A-E |
Architect-Engineer |
| ACSM |
American Congress on Surveying and Mapping |
| AGC |
Army Geospatial Center |
| ASCE |
American Society of Civil Engineers |
| ASPRS |
American Society for Photogrammetry and Remote Sensing |
| BFE |
Base Flood Elevation |
| BS |
Backsight |
| CADD |
Computer Aided Drafting and Design |
| CHL |
Coastal and Hydraulics Laboratory |
| CONUS |
CONtinental United States |
| CORPSCON |
CORPS CONvert |
| CORS |
Continuously Operating Reference Stations |
| DOD |
Department of Defense |
| DOT |
Department of Transportation |
| DGPS |
Differential Global Positioning System |
| EDM |
Electronic Distance Measurement |
| EM |
Engineer Manual |
| ER |
Engineer Regulation |
| ERDC |
Engineer Research and Development Center |
| FEMA |
Federal Emergency Management Agency |
| FGCS |
Federal Geodetic Control Subcommittee |
| FGDC |
Federal Geographic Data Committee |
| FIRM |
Flood Insurance Rate Map |
| FS |
Foresight |
| GIS |
Geographic Information System |
| GPS |
Global Positioning System |
| GRS80 |
Geodetic Reference System of 1980 |
| HARN |
High Accuracy Regional Networks |
| HI |
Height of Instrument |
| HPGN |
High Precision Geodetic Network |
| HQUSACE |
Headquarters, US Army Corps of Engineers |
| HTL |
High Tide Line |
| IERS |
International Earth Rotation Service |
| IGLD 55 |
International Great Lakes Datum of 1955 |
| IGLD 85 |
International Great Lakes Datum of 1985 |
| ITRF |
International Terrestrial Reference Frame |
| LIDAR |
Light Detection And Ranging |
| LMSL |
Local Mean Sea Level |
| LAT |
Lowest Astronomical Tide |
| LPCP |
Local Project Control Point |
| LWRP |
Low Water Reference Plane |
| MACOM |
Major Army Command |
| MGRS |
Military Grid-Reference System |
| MHT |
Mean High Tide |
| MHW |
Mean High Water |
| MHWS |
Mean High Water Springs |
| MLLW |
Mean Lower Low Water |
| MLWS |
Mean Low Water Springs |
| MSL |
Mean Sea Level |
| NAD27 |
North American Datum of 1927 |
| NAD83 |
North American Datum of 1983 |
| NADCON |
North American Datum CONversion |
| NAVD88 |
North American Vertical Datum 1988 |
| NFIP |
National Flood Insurance Program |
| NGRS |
National Geodetic Reference System |
| NGS |
National Geodetic Survey |
| NGVD 29 |
National Geodetic Vertical Datum 1929 |
| NMAS |
National Map Accuracy Standard |
| NOAA |
National Oceanic and Atmospheric Administration |
| NOS |
National Ocean Service |
| NSRS |
National Spatial Reference System |
| NSSDA |
National Standard for Spatial Data Accuracy |
| NTDE |
National Tidal Datum Epoch |
| NVCN |
National Vertical Control Network |
| NWLON |
National Water level Observation Network |
| OCONUS |
Outside the Continental United States |
| OHWM |
Ordinary High Water Mark |
| OPUS |
On-Line Positioning User Service |
| P&S |
Plans and Specifications |
| PBM |
Permanent Benchmark |
| PC |
Point of Curve |
| PED |
Preconstruction Engineering and Design |
| PI |
Point of Intersection |
| POB |
Point of Beginning |
| POT |
Point of Tangency |
| PPCP |
Primary Project Control Point |
| ppm |
Parts per Million |
| PT |
Point of Tangent |
| QA |
Quality Assurance |
| QC |
Quality Control |
| RMS |
Root mean Square |
| RMSE |
Root Mean Square Error |
| RTK |
Real Time Kinematic |
| RTN |
Real Time Network |
| SOW |
Scope or Statement of Work |
| SPCS |
State Plane Coordinate System |
| TBM |
Temporary Benchmark |
| TEC |
Topographic Engineering Center |
| TIN |
Triangular Irregular Network |
| TM |
Transverse Mercator |
| US |
United States |
| USACE |
US Army Corps of Engineers |
| USC&GS |
US Coast & Geodetic Survey |
| USCG |
US Coast Guard |
| USGS |
US Geological Survey |
| U-SMART |
USACE Survey Monumentation Archival and Retrieval Tool |
| USNG |
US National Grid |
| UTM |
Universal Transverse Mercator |
| VDatum |
(National) Vertical Datum |
| VDOP |
Vertical Dilution of Position |
| VERTCON |
VERTical CONversion |
| VRN |
Virtual Reference Network |
| WGS 84 |
World Geodetic System of 1984 |
| WRDA |
Water Resources Development Act |