23 BUREAU OF GEOLOGY The island remained fairly isolated and remote until the railroad spanned the channels with bridges of steel and concrete to link Key West with the mainland. The island became part of land holdings of the Florida East Coast Railroad until the company abandoned the line ifter the 1935 hurricane destroyed the railroad. The original train trestle is still visible as part of the old Bahia Honda Bridge. Regular campfire programs and guided walks are provided during the winter season, with special interpretive programs provided to groups by reservation. At the northeast end of Sandspur Beach, a nature trail follows tne shore of a tidal lagoon, goes through a coastal strand hammock and returns along the beach. For further information, write or phone Bahia Honda State Recreation Area, Route 1, Box 782, Big Pine Key, FL 33043. Telephone: (305) 872-2353. SELECTED BIBLIOGRAPHY Florida State Park leaflets, available at the respective parks. Florida Division of Forestry, 1980, Forest Trees of Florida: 102 pp. lkuiter H. Gray, 1971, Field Guide to Some Carbonate Rock Environments, Florida Keys and Western Bahamas: Miami Geological Society, Miami, FL. 158 pp. West. Erdman and Lillian E. Arnold, 1946, The Native Trees of Florida: Univ. of Florida Press, 212 pp.