36 CFR § 1.10
Symbolic signs
November 4, 2020
(a) The signs pictured below provide general information and regulatory guidance in park areas. Certain of the signs designate activities that are either allowed or prohibited. Activities symbolized by a sign bearing a slash mark are prohibited.
(b) The use of other types of signs not herein depicted is not precluded.
[48 FR 30275, June 30, 1983, as amended at 61 FR 46556, Sept. 4, 1996]