Dating from June 1938 through October 1948, the collection is arranged chronologically. It depicts people, places, and events in Grand Rapids and northern Michigan. No images exist from late 1942 through November 1946 when Strohpaul served as a photographer in the U.S. Navy.

Of note are his images of President Harry S. Truman's visit to Grand Rapids in September 1948, the Interlochen National Music Camp, the Michigan National Guard 126th Infantry (from Grand Rapids), the State Democratic Convention, outdoor events, wild animals, hunting and fishing and Native Americans.

Among the places depicted are: Lake Charlevoix, Sleeping Bear Sand Dunes, Grand Marias Sand Dunes, Grand Haven beach, Macatawa beach, Grand Sable Falls, the Kitchitikipi Springs, Elk Rapids, Harbor Springs, Sault Ste. Marie, Leland, Zeeland and the Ionia Reformatory. Some of the other people depicted include Jim Pontiac, Charles Potter, Kim Sigler, Senator Ferguson, Joseph Maddy and Frank Sparks.