Complex sentence: The twin camps of Hart and Delmont had been operated by the Philadelphia and Valley Forge councils respectively before the merger; their consolidation under the name Musser Scout Reservation was a tribute to Pete Musser and the Musser family, long-time Scouting supporters.
Split into simpler sentences: The twin camps of Hart and Delmont had been operated by the Philadelphia and Valley Forge councils respectively before the merger. Their consolidation under the name "Musser Scout Reservation" was a tribute to Pete Musser and the Musser family, long-time Scouting supporters.