A variety of technical tours are available for participants in the XXII FIG International Congress:

April 22, 2:00 p.m. - 6:00 p.m.,
Appraisal Institute-Adam's Morgan, Washington, DC.,
Cost: $15
Carol J. Mitten, MAI, leads a walking tour of historic properties in the Woodley Park area surrounding the Congress hotel and discusses the seldom-explored area of valuing income-producing historical properties. A minimum of 10 people is required for this tour.

Coast Guard - Navigation Center. (Limit: 30 people)
Cost: $25
The Coast Guard Navigation Center (NAVCEN) controls and manages the United States' radio navigation systems consisting of LORAN and DGPS. NAVCEN also provides worldwide users with timely operational status of the GPS constellation and U.S. maritime radio navigation systems, general navigation and related information via the Navigation Information Service (NIS).

EarthSat - Rockville, Md. (Limit: 30 people)
Cost: $25
Earth Satellite Corporation (EarthSat) is an international professional services firm specializing in the development and application of remote sensing and geographic information technologies (GIS). EarthSat projects focus on the exploration, sustainable development and management of the Earth's resources and the monitoring of the environment. GeoCover, the first worldwide orthorectified LandSat TM, MSS image bases, derived landcover and other EarthSat capabilities will be the highlighted.

University of Maryland - College Park, Md. (Limit: 30 people)
Cost: $25
The Department of Geography at the University of Maryland is a world leader in Earth observation science and disciplines concerned with understanding the physical, biological, and human dimensions of Earth Systems Science. Presentations will encompass findings from some of the many research activities associated with remote sensing such as the use of EOS-MODIS data ,Vegetation Canopy LIDAR, and a rapid response system developed for reporting on the occurrence of fires in conjunction with the U.S. Forest Service.

Fairfax County, Virginia (Limit: 30)
Cost: $25
Fairfax County Virginia has a long tradition of surveying and mapping. Some of the early work was done by George Washington during the 17th century. Today the county has a high precision enterprise GIS that includes geodetic, planimetric, cadastral, and imagery data. Join members of the county's GIS and mapping as well as survey branches to learn some of the history, view some of the data and systems, and discuss data transitional issues and (some of) the underlying standards the county is currently using.

Loudoun County Office of Mapping & Geographic Information, Leesburg,Va. (Limit: 30 people)
Cost: $25
Loudoun County is an early local government adopter of GIS technology. Today the system is used by over 300 staff internally and by many others externally. There will be a demonstration of the county 's Internet application, and a discussion about public access to GIS data.

4:30 p.m. - 6:00 p.m.
Smithsonian Historical Tours (limited to 100 people)

Cost: Free
Meet at the Smithsonian's Museum of Natural History for a special presentation. A special showing of the Smithsonian Attic collection will be available to 20 people who sign up for this tour. Names will be drawn and you will be notified on-site of the people selected. Those who are selected will be required to arrive at the Smithsonian at 3:30 pm.

Thursday, April 25, 8:00 a.m. -5:30 p.m.
Potomac and Blue Ridge Toponymic Tour
Cost: $50 (includes lunch)
The tour will begin in Washington, D.C., extend northwest along the Maryland side of the Potomac River to Harpers Ferry, W.Va., and return to Washington on the Virginia side of the river. Commentary on the physical and cultural aspects of the area as well as specific attention to the origin and application of the regions toponyms or geographic names will be provided. Stops are scheduled at locations of scenic and historical interest, such as Great Falls Park, the Chesapeake and Ohio Canal, and Harpers Ferry National Historical Park.

Chesapeake Bay-A Success Story in Coastal and Marine Resource Management (Limit 30 people)
Cost: $40
Spend the day along the shores of the Chesapeake, learning about the Chesapeake Bay Program and the various projects under their management.

Maryland Department of Natural Resources-Annapolis, Md.
Cost: $40
The Maryland Department of Natural Resources is a leader in the development and use of geospatial databases for land management. Tour various projects in the Washington-Annapolis region and participate in discussions about the challenges of land management and solutions being forged across local and state jurisdictions.

9:00 a.m. - 12:30 p.m.
General Land Office Records Tour (Limit: 20 people)

Cost: $30
The Bureau of Land Management (BLM) established the United States' rectangular system of survey and much of America's heritage and development is tied to this survey. Image access is provided to more than two million Federal land title records issued between 1820 and 1908. The vaults of American land survey records are a working archive using the most modern techniques for preservation and access to surveyors, land tenure specialists and genealogists.

7:30 a.m. - 4:00 p.m.
USGS/SPOT Image Reston, Va. (Limit: 30)
Tour begins at 9:00 a.m.

USGS - (A.M.) Visit the U.S. Geological Survey headquarters in Reston, Va. The facility houses nearly 1,800 employees who work on current issues in biology, cartography, geology, hydrology and other life sciences. Get an insider's view of the map printing plant, Center for Integration of Natural Disaster Information, Main Library, and the Earth Science Information Center.
SPOT-- (P.M.) SPOT Image Corporation will present the latest information on the SPOT constellation of satellites, including SPOT 5, to be launched in April 2002. A major producer of image-based products such as global 3D terrain databases, seamless state and nationwide GIS databases, multi-resolution data stacks, land cover maps and more, SPOT will demonstrate the latest commercially available products, from the basic data source material to what is delivered ultimately to the end user. Learn how government and commercial data providers differ, and how they complement each other.

8:00 a.m. - 5:00 p.m. National Geodetic Survey/ Hydrographic Division of the Ocean of Coast Survey, Silver Spring, Md. (Limit: 20 people)
A.M.: The National Geodetic Survey (NGS) will illustrate use of softcopy photogrammetry techniques in NOAA's Shoreline Mapping and the Federal Aviation Administration Airport Survey Programs. Also the U.S. National and Cooperative CORS (continuously operating reference station) Program emphasizing user-friendly, web-based utilities for accessing CORS information and performing pertinent online computations are discussed. NOAA's hydrographic surveying and charting divisions will illustrate their latest developments in surveying technology, (multibeam sonar and side scan sonar), and visualization techniques along with demonstrations on NOAA's Print-on-Demand nautical chart program, Electronic Navigational Charts (ENC's) and electronic update service for digital charts.
P.M.: The Maritime Institute of Technology and Graduate Studies (MITAGS), a non-profit continuing education center for professional mariners will be toured. Of particular interest will be the full-mission bridge simulator which includes day and night operations and a motion base and an eight-ship interactive blind pilotage simulator equipped with an Electronic Chart Display Information System (ECDIS).

8:00 a.m. - 2:30 p.m.
King George County Hammer, Siler, George Associates

Participants will observe a local county's natural environment, sustainable development achievements to date, and other Virginia examples of sustainability while facing enormous growth pressures. Narration will be provided by the county administrator and supporting materials will be provided to participants.

Half –Day, Friday, April 26
8:30 a.m. - 2:00 p.m.
Smithsonian Institution, Washington, D.C. (Limit: 30 people)

Geospatial Technology at the Smithsonian Institution: Researchers throughout the Smithsonian make wide use of GIS, remote sensing, and GPS. These technologies are applied in fields such as zoology, geophysics, environmental monitoring, and anthropology. Visitors will get a behind the scenes look at the Museum of Natural History and the National Air and Space Museum.

For more information, visit http://www.profsurv.com/dcap.htm.