Land that is part of the Guam Forest System shall not be sold. Such land, however, may be leased to other entities pursuant to § 63504(l) supra, provided that leased land shall be used only for
the following purposes:

(a) recreation, excluding activities that are detrimental to the environment, such as off-roading;

(b) education;

(c) training for the Department of Agriculture Forestry
& Soil Resources Division or other related activities; or

(d) protection and preservation of natural resources and historic artifacts.

Any use inconsistent with this Act shall be considered a violation of law, and offenders will be subject to penalties, as prescribed by the Department.