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Long Lake is a large interdunal wetland in the Indiana Dunes region of Northwest Indiana. It was originally approximately 8 miles in length, but has been shortened due to development and drainage. It has a surface area of 34 hectares, and a maximum depth of 1.8 meters. There are three small islands, and the total shoreline length is 4.6 kilometers. Long Lake is bisected by a major local arterial road, County Line Road. The eastern portion of the lake lies in Porter County in the town of Ogden Dunes, and the western portion is in Lake County in the Miller Beach community. The vast majority of Long Lake is within the boundaries of the Indiana Dunes National Lakeshore, although a small area at the eastern end in Ogden Dunes is used by the American Water company for a water purification plant Along the southern edge of the lake the Norfolk Southern railway, South Shore Line railway, and U.S. Route 12 highway run in parallel. The north side of Long Lake was formerly traversed by the Indiana Harbor Belt railway. That railway has now been replaced by the Marquette Trail and Long Lake Trail, multi-use trails used by cyclists, hikers and birdwatchers. ==History== Long Lake was one of the focus of Diana of the Dunes conservation efforts.〔Smith, S. & Mark, S. (2006). Alice Gray, Dorothy Buell, and Naomi Svihla: Preservationists of Ogden Dunes. The South Shore Journal, 1.http://www.southshorejournal.org/index.php/issues/volume-1-2006/78-journals/vol-1-2006/117-alice-gray-dorothy-buell-and-naomi-svihla-preservationists-of-ogden-dunes〕 Others joined these conservation efforts to preserve the Indiana Dunes.〔Smith, S. & Mark, S. (2009). The Historical Roots of the Nature Conservancy in the Northwest Indiana/Chicagoland Region: From Science to Preservation. The South Shore Journal, 3. http://www.southshorejournal.org/index.php/issues/volume-3-2009/83-journals/vol-3-2009/75-the-historical-roots-of-the-nature-conservancy-in-the-northwest-indianachicagoland-region-from-science-to-preservation〕 In the 19th century, the ice of Long Lake furnished a livelihood for early inhabitants of the small town of Miller, which later became Miller Beach; ice was harvested from the lake and shipped to market by rail. The ice also provided a surface for ice-skating between Miller and Baillytown. A recreational fishery also flourished on the lake in the early 20th century, when a more diverse biota was present than today, including largemouth bass and yellow perch. In 1920s, the construction of County Line Road separated the western portion of Long Lake from the larger, deeper eastern portion. No culvert connects the two halves; as a result, fish and many aquatic plants are periodically killed off when the western portion dries out during dry summer weather. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Long Lake (Indiana)」の詳細全文を読む スポンサード リンク
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