these are the only ones still visible in the northern part of Garrett County. The mounds were formed when a glacier lake existed in the Casselman valley, and the ice around the edges of the frozen lake melted. Wind blew fine grains of earth into the water around the edges where it sank to the bottom, and the mounds were the result of the deposit of this wind-blown material. Forests, rivers, caves See these articles for information on the forests, rivers, and caves of Garrett County: List of Maryland state forests List of rivers of Maryland Caves of Maryland (Crabtree - largest cave in Maryland) Parks and recreation Garrett County contains over of parks, lakes, and publicly accessible forestland. Popular activities in the county include camping, hiking, backpacking, rock climbing, alpine and cross-country skiing, snowmobiling, hunting, ice fishing, fly fishing, whitewater canoeing, kayaking, rafting, boating, swimming, sailing, horseback riding, and water skiing. State parks There are seven state parks in Garrett County. All offer picnic and fishing areas; all but Casselman River State Park have hiking paths. Mountain bike paths, swimming areas, and boat launches and rentals are available at Deep Creek, Herrington Manor, and New Germany state parks. Rental cabins are available at Herrington Manor and New Germany state parks. Big Run, Deep Creek, Herrington Manor, and New Germany state parks all offer canoeing, while campsites may be found at Big Run, Deep Creek, New Germany, and Swallow Falls state parks. Big Run State Park Casselman River Bridge State Park (Grantsville) Deep Creek Lake State Park (Swanton) Herrington Manor State Park (Oakland) New Germany State Park (Grantsville) Sang Run State Park Swallow Falls State Park County parks Garrett County owns four park sites and fifteen recreation facilities. The parks are maintained in cooperation with local associations and civic groups. The recreation areas are attached to public schools and colleges and maintained by the Garrett County Board of Education. Municipal parks The municipal parks of Garrett County provide sport facilities, hiking, bike and walk paths, playgrounds, picnic areas, boat ramps, and fishing. Kitzmiller Parks & Recreation Dept. Oakland Broadford Park includes swimming, picnic tables, fishing, boat ramp, playgrounds, sports fields. Libraries and Museums The Ruth Enlow Library was founded in 1915 as the Oakland Free Public Library. Since then, an additional four branches have been added to the library system in Accident, Friendsville, Grantsville, and Kitzmiller. The present director of