This U.S. EPA web site provides an entry point to the OnSite OnLine Tools for Site Assessment. There are calculators for a variety of parameters, including hydraulic gradient, moisture content,...
AAGS is the professional society of scientists and other professionals overseeing the development and use of Earth-referencing systems. Visit our News page for information on issues and projects we...
The mission of the Cartography and Geographic Information Society is to support research, education, and practice to improve the understanding, creation, analysis, and use of maps and geographic...
The Center for Earth Resources Observation and Science (EROS) is a data management, systems development, and research field center for the U.S. Geological Survey's (USGS) Geography Discipline....
U.S. Army Corps of Engineers PDF manual provides technical specifications and procedural guidance for surveying with the NAVSTAR Global Positioning System (GPS). Includes quality control standards.
U.S. Army Corps of Engineers PDF manual presents guidance, technical specifications and quality control (QC) criteria for performing aerial photogrammetric mapping activities.
U.S. Army Corp of Engineers PDF manual establishes criteria and presents guidance on monumentation installation and documentation for topographic surveys.
This U.S. Army Corps of Engineers manual establishes procedural guidance specifications and quality control criteria for performing field topographic surveying in support of planning, engineering and...
The Federal Base Network (FBN) is a
nationwide network of permanently
monumented stations spaced 100
kilometers apart with higher density in crustal motion areas. The FBN provides spatial...
The Federal Base Network (FBN) is a
nationwide network of permanently
monumented stations spaced 100
kilometers apart with higher density in crustal motion areas. The FBN provides spatial...
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