Caches starting with 3.
- GC3QZ5Y:
3rd Annual Chapman Fall Camp-O-Rama and 1K Party, Event
- GC16ZE2:
33 WB Rest Area, Traditional
- GC1EV8A:
3-County Cache, Traditional
- GC1GWQA:
37.0 Degrees Celsius, Traditional
- GC3499B:
3 States, 1 Cache, Traditional
- GC3MQG1:
3 Little Kittens......, Traditional
- GC472V7:
3 Seater, Traditional
- GC4WG7J:
38 Neighbors, Traditional
- GC51Z94:
38th and Brandes, Traditional
- GC5EQG1:
3 Bass Limit, Traditional
- GC62RFJ:
35, Traditional
- GC6H8NA:
3 SEE THE GEESE, Traditional
- GC7A2VD:
3 Little Bears, Traditional
- GC7R8QW:
3 Friends 1 Root, Traditional
- GC9HHTJ:
3 Westfield Park Cache, Traditional
- GC4TZF3:
34 - Pennsylvania 50 State Star, Unknown
- GC4TZHD:
38 - Pennsylvania 50 State Star, Unknown
- GC4TZGP:
36 - Pennsylvania 50 State Star, Unknown
- GC4TZEP:
33 - Pennsylvania 50 State Star, Unknown
- GC4TZA1:
30 - Pennsylvania 50 State Star, Unknown
- GC4TZH2:
37 - Pennsylvania 50 State Star, Unknown
- GC4TZG7:
35 - Pennsylvania 50 State Star, Unknown
- GC4TZJ2:
39 - Pennsylvania 50 State Star, Unknown
- GC4TZCW:
32 - Pennsylvania 50 State Star, Unknown
- GC4TZB4:
31 - Pennsylvania 50 State Star, Unknown
- GC519P9:
3 - BLANK, Unknown
- GC5B4Z8:
365 Days Placed by Date Cache Challenge, Unknown
- GC5H93K:
3 States in a Day Challenge, Unknown
- GC5P3H4:
3.14 (Pi) Day Puzzle, Unknown
- GC6WE3N:
3 - GSD5, Unknown
- GC72X27:
345 Challenge, Unknown
- GCB8F6:
30 Mile Point Light House, Virtual