Reference Manual 43 - NPS

2. 36 CFR, Part 11.1 - 11.3 (under authority of 16 U.S.C., Section 3): “The term 'arrowhead symbol,' as used in this part, refers to the insignia of the National Park Service prescribed as its official symbol...” "The term 'commercial use' as used in the regulations of this part refers to use of (the ................
................