In Montana, it is illegal for married women to go fishing alone on Sundays, and illegal for unmarried women to fish alone at all.

RCW 72.20.065 Intrusion — Enticement away of girls — Interference — Penalty. Any person who shall go upon the school grounds except on lawful business, or by consent of the superintendent, or who shall entice any girl away from the school, or who shall in any way interfere with its management or discipline, shall be…