Check out this virtual cache in Alberta - 8561 finds so far
Brass Cap Cache - Morley Boundary #36 GC43F3The location of this virtual cache is moved around the province, about every few months -109 locations since it was released. There are currently 418 active brass caps in the province.
Al though it lists a specific "Brass Cape" - any brass cap around the province can be logged at any time.
http://www.geocaching.com/seek/cache_details.aspx?pf=&guid=decfcc89-4dca-403c-a696-da6d00a04db6&decrypt=y&log=&numlogs=From the cache listing:
# Long Description
This cache will be moved around Alberta and Geocachers from all areas in the Province will get a chance to log it.
Check the page often for new locations.
You will be searching for a specific Brass cap survey monument.
To log a find you need to e-mail me the numbers that are stamped on the cap and the year it was placed, a description of its location or a photo.
You can post pictures and your own coords and elevation in your log.
The cache can be logged from previous postings.Please include the Latitude and Longitude of the Brass Cap you are logging with your posting on the cache page.Past Cap postings can be found on the EasyGPS GPX file link and by checking the logs
Cap caching with a view
Cap caching with a pal
Calgary Area Cachers Web page:
LOC and GPX files of past Brass Cap Cache waypoints can be downloaded from this link
Brass caps on Google
Brass cap stats
# Additional Hints
A good Cap hunting kit should include A small whisk, garden trowel and compass ( used as a metal detector)BCP461- Morley Boundary #36Flush with the ground and 30 cm north of the MP.
Anybody for a field trip?