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Hennepin Coy art Mitigation-Plan- Community Profile o Minneapolis Chain of Lakes Lakeshore Restoration Project The Minnesota Department of Natural Resources has identified two Scientific and Natural Are-as(SNA).in Hennepin County: The-Woisfeld Woods SNA in Long Lake is s-a premier-exarnple of the original "Big Woods"that once covered south central Minnesota. Very few-remnants-remain-due to urban-expanses and Industriat- development. The Wood-Rill SNA is-another-remnant of the Big Woods-that--runs-over the steep.hills of the St. Croix moraine. It includes undisturbed old- growth,forest, a-wet meadow;and.a moist 110wland-foresti I Pollution can:have a significant effect on the environment: As-of.August 8, 2003, Hennepin County had no active sites on the National.Priorities-List of Superfunde sites. Locations that had been on the list-have-been either deleted or have been mitigated. The�most-serious of-these-sites was the Reilly Tar-&-Cher-mc-al-Corporation located in PSt. Louis Parka .Soil and groundwater were contaminated with predominantly polynucldar aromatic hydrocarbons: The Prairie du Chien°and'Iordan-aquifers rVvere-contaminated affecting-the drinking water of 43,000 people. That aquifer also recharges the Mississippi from which Minneapolis draws its-drinking water.'- , -Hennepin County has-two air quality monitoring stations that measure ozone and particulate matter: The Minnesota Pollution Control Agency uses this data to issue-air-qualiity°'alerts. 302/312 facilities are-mapped -and on file in the County Emergency Preparedness Office and each individual jurisdiction. N.''Transportation-6—nd-Corntnuting-Patternt The-history of transportation in Hennepin County has its roots in its fakes and rivers. It began with canoes of cedar wood and birch.bark used by Native Americans and'-by Father Louis Hennepin, who discovered St. 'Anthony-Falls.'- In 1819 the first keelboats came up the Mississippi followed by the first steamboat in 1823. Barge traffic continues to be an essential link in the transportation chain. The first air passenger service was offered by the Jefferson Transportation Company (ITC), which operated a tri-motor between the Twin Cities and Rochester. JTC and Universal Airlines-later merged-with Northwest Airways, a precursor to Northwest Airlines. 20 8-mi (.nmmainifv Prnfilo rinr