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Details	Title
	Man and the biosphere species databases
	Map showing geology, oil and gas fields and geologic provinces of the Arabian Peninsula A digital map including geology, geologic provinces, oil and gas fields of the Arabian Peninsula. The Arabian Peninsula, and parts of Iraq, Jordan, Syria, Israel, and Lebanon are represented on this map
	MapInfo-L File Archives A public archive of MapInfo-L digital geospatial data files
	Maritime transport. Statistical tables
	MAS/MILS Arc/Info point coverage for the western U.S. (excluding Hawaii)
	Migration information source fresh thought, authoritative data, global reach A project of the Migration Policy Institute; provides articles, news, and statistical data about international migration and refugee trends
	Mojave Desert Ecosystem Program Maps, data and images for the Mojave Desert Ecosystem
	Montana State Library Natural Resource Information System GIS Data
	Monthly bulletin of statistics of the Republic of China
	Monthly climatic data for the world / Access limited to UW Libraries NT workstations - UW restricted
	Mt. St. Helens DEM
	nanotube site
	National Atlas of the United States Map Layers Warehouse
	National Center for Health Statistics --monitoring the nation's health / The home page for the National Center for Health Statistics; includes the mission statement, news releases and fact sheets, publications, and links to CDC employment opportunities
	National elevation dataset
	National Geodetic Survey Data Sheets Various interfaces for finding geodetic survey points in the U.S
	National historical geographic information system "The National Historical Geographic Information System (NHGIS) is a project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2000 ... The NHGIS Data Finder is currently in beta form." At this time selected aggregate data and boundary files are available."
	National Land Cover Data Availability National Land Cover Data Availability from the USGS Land Cover Characterization Program
	National Soil Database
	National Statistics UK's home of official statistics, reflecting Britain's economy, population, and society at national and local level
	National transportation atlas databases NTAD / (NTAD) 1996 to present A set of national geographic databases of transportation facilities which include geospatial information for transportation modal networks and intermodal terminals, and related attribute information
	National transportation atlas databases NTAD / (NTAD) 1996 to present A set of national geographic databases of transportation facilities which include geospatial information for transportation modal networks and intermodal terminals, and related attribute information
	National Wetlands Inventory "The National Wetlands Inventory (NWI) produces and provides information on the characteristics, extent, and status of the nation's wetlands and deep water habitats and other wildlife habitats."
	National Wetlands Inventory Data
	Natural resources information portal "The goal of this site is to provide a single place to discover, learn about, and access available salmon and watershed data for Washington State ... This portal includes a searchable catalog with simple links to datasets and their associated metadata ("data about the data"). If a dataset is not available for download or on-line viewing, contact information is provided. This catalog currently includes spatial datasets, tabular datasets, reports and studies ... This site has been designed for a wide range of users who may be interested in salmon and watershed data including scientists, watershed planners/managers, consultants, and the general public."
	NCAR research data A large collection of atmospheric and oceanographic data for use in climate research, along with important information about the collections and their use, as well as links to other research data held elsewhere
	NCDC online document library, publications Includes climatic data, storm data, precipitation data, heating and cooling degree data, wind climatology data, and freeze/frost data
	NCDC online document library, publications Includes climatic data, storm data, precipitation data, heating and cooling degree data, wind climatology data, and freeze/frost data
	NES National Election Studies Contains selected publications and data files from the National Election Studies, as well as information about research projects. Includes search engine
	New Mexico Resources GIS Program
	New Zealand Active Faults Database The Institute of Geological and Nuclear Sciences maintains the New Zealand Active Faults Database. This database has been designed to hold all data collected from investigations of active faults. Along with the locations of active faults, the Active Faults Database contains the results from field measurements of offset features, trenching, and dating. It also stores interpretation of these results in the form of the average fault recurrence interval, slip rate, and date of last movement. This detailed information, which is collected at many points along a fault, has been summarised and presented here for each fault
	NNDC climate data online Includes climatic data such as surface daily and monthly data, hourly precipitation data, and 15-minute precipitation data
	Northwest Habitat Insitute GIS data
	Norwegian Social Science Data Services The Norwegian Social Science Data Services is a national resource center for statistical information. Contains descriptions of NSD services and publications
	NRCS GIS and data sites A comprehensive list of Web sites within the Natural Resources Conservation Service (NRCS) that are either GIS-related or contain data, documentation, or models that may be useful for GIS users. Also includes links to regional and state sites and non-NRCS sites