For example:
1. Massachusetts: Puddingstone--GC2VJW8--8/17/13
2. Iowa: Iowa Topsoil--GC2C5W8--10/7/12
3. Montana: "A Lost World"--GC2G7D9--9/10/12
4. Idaho: Hell's Half Acre--GC15FHV--9/7/12
5. New Mexico: Blue Hole--GC1W9BA--5/28/12
6. Missouri: The World's Only Inland Cape--GC1KRCT--5/18/12
7. New Brunswick, Canada: Artesian Spring--GC15QZ6--5/9/12
8. Indiana: Celery Bog--GC15BZW--4/30/12
9. Nevada: Playa--GC2GP44--4/9/12
10. Washington: Amom Basin Earthcache--GC20CW6--5/16/10