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GNIS: Physical Features (2013)
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on... -
MD iMAP: Maryland Physical Boundaries - County Boundaries (Generalized)
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains generalized outlines of Maryland counties.Feature Service... -
MD iMAP: Maryland Physical Boundaries - County Boundaries (Detailed)
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This layer contains detailed outlines of Maryland counties. The Maryland land county...
![Welcome to the GEOSS Information Exchange Datahub [BETA]](/uddi/base/images/uddi/GEOSS-Exchange-Beta.png "Welcome to the GEOSS Information Exchange Datahub [BETA]")