There are 7 Snow 600-S2C aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1964 and 1965.
N1683S
1965 Snow 600-S2C
Tioga, ND
N1691S
1965 Snow 600-S2C
Fitzgerald, GA
N1697S
1965 Snow 600-S2C
Linton, ND
N1658S
1964 Snow 600-S2C
Forsyth, MT
N1664S
1964 Snow 600-S2C
Starkweather, ND
N1637S
Snow 600-S2C
Tioga, ND
N9136
Snow 600-S2C
Madison, SD