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<br />sterilant, filter fabric, and mulch. These products may increase the longevity of the trail but also <br />raise the cost of construction. A boardwalk trail surface needs to be installed to cross low, wet <br />areas. Boardwalk crossings are expensive, approximately $30/square foot, and should therefore <br />be kept to a minimum. The proposed trail requires 1,420 feet of boardwalk, a total cost of <br />$42,600. A low maintenance trail is suited to activities such as mountain biking, horseback <br />riding, and snowmobiling but is not a suitable choice because it can increase erosion and <br />compaction. A chip-bark low maintenance trail costs approximately $7000 per mile. <br />Trott Brook offers many educational opportunities. Trott Brook could become an <br />Environmental Learning Center, providing hands-on learning and environmental problem <br />solving skills. Educational possibilities include ecological studies, recreational opportunities, <br />literature and art proje~ts, and trail maintenance activities. Special projects may include prairie <br />restoration, species reintroduction, and mentoring programs. Use of the trail system for <br />educational purposes is not limited to schools, community groups such as churches and scouting <br />groups can use the area for similar activities. <br />Schools in the Anoka-Hennepin School District had mixed reactions about using Trott <br />Brook for educational purposes. Overall opinions were favorable towards educational use of <br />Trott Brook but transportation and proximity to other natural areas would limit their use of Trott <br />Brook. <br /> <br />IX <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />