DBMS

Data Base Management System

DEM

Digital Elevation Model

DLG

Digital Line Graph

DTM

Digital Terrain Model

EER

Enhanced Entity-Relationship

ER

Entity-Relationship

GIS

Geographic Information System

GPS

Global Positioning System

GUI

Graphical User Interface

HTML

Hyper Text Markup Language

IDW

Inverse Weighted Distance

IT

Information Technology

MAP

Map Analysis Package

MSL

Mean Sea Level

OS

Operating System

PC

Personal Computer

RTK

Real Time Kinematics

SDTS

Spatial Data Transfer Specification

SPM

Suspended Particulate Matter

TS

Total Station

TSP

Total Suspended Particles

TIN

Triangulated Irregular Network

USGS

United States Geological Survey

VRML

Virtual Reality Modeling Language