Complex sentence: While working full-time, Hunter and Powell coordinated their leave periods to hunt for orchids in localities beyond the local area; they made collecting trips to the Chiriquí Province in 1918,1920, and 1922.
Split into simpler sentences: While working full-time, Hunter and Powell coordinated their leave periods to hunt for orchids in localities beyond the local area. The two men would travel to the Chiriquí Province, where they made collecting trips in 1918,1920, and 1922.