43 CFR §9239.1-3

1. (a)Unless State law provides stricter penalties, in which case the State law shall prevail, the following minimum damages apply to trespass of timber and other vegetative resources:
   1. (1)Administrative costs incurred by the United States as a consequence of the trespass.
   2. (2)Costs associated with the rehabilitation and stabilization of any resources damaged as a result of the trespass.
   3. (3)Twice the fair market value of the resource at the time of the trespass when the violation was nonwillful, and 3 times the fair market value at the time of the trespass when the violation was willful.
   4. (4)In the case of a purchase from a trespasser, if the purchaser has no knowledge of the trespass, but should have had such knowledge through reasonable diligence, the value at the time of the purchase.
2. (b)The provisions of paragraph (a) of this section shall not be deemed to limit the measure of damages that may be determined under State law.