2003. EROS Data Center, Geological Survey (U.S), American Geological Institute, and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a polygon coverage representing hydrologic drainage basins located worldwide. The data displayed here is derived from the HYDRO 1... American Geological Institute.
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2003. Wolf, Aaron T., Natharius, Jeffrey A., Danielson, Jeffrey J., Ward, Brian S., Pender, Jan K., American Geological Institute, and Geological Survey (U.S). This datalayer is a polygon coverage representing the Transboundary Freshwater Dispute Database dataset: international river basins of the world. T... American Geological Institute.
2010. Cambridge (Mass.). Geographic Information Systems and United States. Federal Emergency Management Agency. The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map(DFIRM) databases published by FEMA, and any Letters O... Cambridge (Mass.). Geographic Information Systems.
2010. Cambridge (Mass.). Geographic Information Systems. This layer contains polygon features representing wetlands in Cambridge, Massachusetts, 2010. Cambridge (Mass.). Geographic Information Systems.
2010. Cambridge (Mass.). Geographic Information Systems. This layer contains polygon features representing water bodies in Cambridge, Massachusetts, 2010. City of Cambridge IT Department.
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Alabama. These zones are used by the federal Emergency Managem... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Alaska. These zones are used by the federal Emergency Manageme... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for American Samoa. These zones are used by the federal Emergency ... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Arizona. These zones are used by the federal Emergency Managem... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Arkansas. These zones are used by the federal Emergency Manage... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for California. These zones are used by the federal Emergency Mana... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Colorado. These zones are used by the federal Emergency Manage... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Connecticut. These zones are used by the federal Emergency Man... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Delaware. These zones are used by the federal Emergency Manage... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for the District Of Columbia. These zones are used by the federal ... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Florida. These zones are used by the federal Emergency Managem... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Georgia. These zones are used by the federal Emergency Managem... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Guam. These zones are used by the federal Emergency Management... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Hawaii. These zones are used by the federal Emergency Manageme... Federal Emergency Management Agency (FEMA).
2011. United States. Federal Emergency Management Agency. The flood insurance risk zone layer contains information about the flood hazards for Idaho. These zones are used by the federal Emergency Managemen... Federal Emergency Management Agency (FEMA).
