Another that my attention is directed toward is Alexandria Digital Library's Map Browser:
If I type 'chancellorsville' and ask for the Catalog Record, I get the foloowing, which includes a pointer to the USGS National Mapping Information record at http://geonames.usgs.gov/pls/gnis/web_query.GetDetail?tab=Y&id=1464725This COULD be a useful addition to the Record.
Unfortunately, at the moment the terraserver link has been changed by Microsoft (terraserver-usa.com), but it DOES seem to reformulate
Feature Name Geographic Name Chancellorsville Battlefield Source ID BGN-USGS-1 Feature Type ADL Feature Type historical sites Feature Type Scheme ADL Feature Type Thesaurus Other Classification Term LOCALE Classification Scheme GNIS Feature Classes Spatial Reference Geographic Location Footprint (image) Geometry Type Point Longitude W 77° 38' 36" Latitude N 38° 18' 44" Source ID BGN-USGS-1 Identification Code ADL Gazetteer Feature ID 6965295 GNIS Feature ID Number 1464725 Source ID BGN-USGS-1 GNIS GIPSY Number 51005118 Source ID BGN-USGS-1 Related Information Related Entity Relationship IsPartOf Name Spotsylvania County, Virginia (FIPS 51177) Related Feature ID (ADL Gazetteer) 3072 Source ID BGN-USGS-1 Related Entity Relationship IsPartOf Name Chancellorsville VA topographic map (38077-C6) Source ID BGN-USGS-1 Link to Related Information Link Name USGS GNIS Feature Details Link URL http://geonames.usgs.gov/pls/gnis/web_query.GetDetail?tab=Y&id=1464725 Source ID UCSB-ADL-2 Link to Related Information Link Name Yahoo("Chancellorsville Battlefield") Link URL http://search.yahoo.com/bin/search?p=Chancellorsville Battlefield Link to Related Information Link Name National Geographic MapMachine("Chancellorsville Battlefield") Link URL http://esri.nationalgeographic.com/atlas/MapMachineCF_/ng_gaz_new.cfm?search_string=Chancellorsville Battlefield Source Source ID BGN-USGS-1 Organization U.S. Board on Geographic Names (BGN), U.S. Geological Survey (USGS) Web Site Geographic Names Information System Web Site URL http://www-nmd.usgs.gov/www/gnis Contact Person Chief, Branch of Geographic Names Address 523 National Center, Reston, Virginia 20192, USA Information Source Title Geographic Names Information System (GNIS) Digital Gazetteer (CDROM). National Geographic Names Data Base Publisher U.S. Geological Survey Publication Date March 1998 Source ID UCSB-ADL-2 Organization Alexandria Digital Library Web Site Alexandria Digital Library - Gazetteer Development Information Web Site URL http://www.alexandria.ucsb.edu/gazetteer Contact Person ADL Gazetteer Group Address Department of Computer Science, University of California, Santa Barbara, California 93106, USA Information Source Title Geographic Names Information System (GNIS) URL http://www-nmd.usgs.gov/www/gnis/ Publisher U.S. Geological Survey Publication Date 1999
The USGS search interface ("Query Form For The United States And Its Territories") is at
geonames.usgs.gov/pls/gnis/web_query.gnis_web_query_form
(the default form is DMS, not decimal degrees...)
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