Keep records of the amount and condition of logs taken to mills. Manage forest protection activities, including fire control, fire crew training, and coordination of fire detection and public education programs. Train and lead forest and conservation workers in seasonal activities, such as planting tree seedlings, putting out forest fires and maintaining recreational facilities. Survey, measure, and map access roads and forest areas such as burns, cut-over areas, experimental plots, and timber sales sections. Select and mark trees for thinning or logging, drawing detailed plans that include access roads. Provide information about, and enforce, regulations such as those concerning environmental protection, resource utilization, fire safety and accident prevention. Supervise forest nursery operations, timber harvesting, land use activities such as livestock grazing, and disease or insect control programs. Monitor activities of logging companies and contractors. Patrol park or forest areas to protect resources and prevent damage. Thin and space trees and control weeds and undergrowth, using manual tools and chemicals, or supervise workers performing these tasks. Develop and maintain computer databases. Plan and supervise construction of access routes and forest roads. Provide forestry education and general information, advice, and recommendations to woodlot owners, community organizations, and the general public. Perform reforestation, or forest renewal, including nursery and silviculture operations, site preparation, seeding and tree planting programs, cone collection, and tree improvement. Issue fire permits, timber permits and other forest use licenses. Provide technical support to forestry research programs in areas such as tree improvement, seed orchard operations, insect and disease surveys, or experimental forestry and forest engineering research. Measure distances, clean site-lines, and record data to help survey crews. Inspect trees and collect samples of plants, seeds, foliage, bark and roots to locate insect and disease damage.