View City of Helena maps links for address coordinator, GIS/Maps, interactive maps, trails map, parks map.
View Lewis and Clark County voting precincts, including maps for individual precincts.
View Lewis and Clark County commission districts by clicking link for either county map or Helena Valley map.
Find Lewis and Clark County GIS maps, tax maps, and parcel viewers to search for and identify land and property records.
View Lewis and Clark County completed maps, including administrative, public safety and school districts.
View Lewis and Clark County interactive mapping sites, including elections maps and floodplain maps.
View Lewis and Clark County voter and election information page, including news and sample ballots.
The National Spatial Data Infrastructure (NSDI) is a national repository and data portal for spatial data and mapping information. The Montana GIS Maps Database includes a variety of mapping data sets, including GIS mapping data. The NSDI includes more than 4 million maps covering the entire United States.
The NSDI provides access to GIS mapping data for the general public, Federal, State, and local government entities, researchers, and developers. Montana GIS Maps Database includes mapping data from Federal agencies such as the USGS, the Census Bureau, the Environmental Protection Agency, and the Bureau of Land Management; State mapping agencies, such as the Michigan Department of Transportation; and local governments, such as the cities of Detroit and Chicago.
Montana GIS Maps Database also includes data sets from private companies and nonprofit organizations. These data sets include mapping data for businesses and industries, transportation networks, land use, and water resources.