This two-volume set, consisting of an instructor's manual and a student learning activity guide, is designed for use in teaching vocational agriculture students basic forestry skills. Provided in the instructor's manual are guidelines concerning the duration of the activity; activity goals; a list of instructional objectives; a list of vocational clusters addressed during the activity; detailed guidelines concerning such areas of activity implementation as safety, materials needed, preparation prior to class, presentation of the lesson, and follow-up activities; an answer key; and an occupational fact sheet. The student learning activity guide includes an introduction, goals, directions, a list of materials needed, a series of instructional objectives and checkpoints dealing with estimating tree heights and diameters and the nature and scope of various forestry-related occupations; and descriptions of five related occupations. (MN)