SR-170: Tracks 1 - 3 discuss the Plumridge family, including the family-owned post office in Mission. Plumridge's service in the postal corps during World War II is mentioned.
Tracks 4 - 7 describe the Langley Prairie Post Office owned by Plumridge. The postmaster's job is described.
Track 8 discusses the postal corps of World War II.
Tracks 9 - 13 continue to discuss the postal services in Langley Prairie, including busy times at Christmas and problems with the weather. Complaints from customers of the post office are discussed, and changes in postal service over time.
Tracks 14 - 15 discuss the differences in the modern postal service.