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Three Spires Multi-Cache

This cache has been archived.

hmarq: Let this one sit too long ...

Been out some time ago and the bearing of the new towers doesn't work.

If you have this as a work in progress from the old towers, you have perhaps a week till the final is picked up.

Other than that, this is done, stick a fork in it.

Twas fun.

More
Hidden : 10/13/2004
Difficulty:
4 out of 5
Terrain:
2.5 out of 5

Size: Size:   regular (regular)

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Geocache Description:


You will need a sighting compass and command of your GPSr to complete this cache.

News you can use

  • Declination for the area is -3 degrees
  • Digital Root of the spire bearing (in degrees) is 1
  • Yes, there are 4 possible answers to waypoint 3

At the posted coordinates, you'll note 3 man made spires; you can't miss them, really! Unfortunately you don't have access to them, so you'll need to be crafty. You have two jobs here: determine the true bearing along which the spires are aligned -- I recommend sighting this and not trying to compute it.

The second task is to determine a waypoint for the Western-most spire. This can be accomplished with just your compass, GPSr, your knowledge of waypoint projection and the ability to build a route.

Once you have the waypoint for the West Spire, project waypoint 2 located 8,855 meters from the West Spire along the bearing line you established for the Spires. There is no need to travel to waypoint 2.

Waypoint 3 is located 6,645 meters from Waypoint 2 along a line perpendicular to the spire bearing line. At waypoint 3 you're searching for the sign described below.

By now you've done a fair number of waypoint projections and each of those introduce error into your final destination, accordingly, the area you end up in is fairly large, parking is ample and on your way you will pass a water feature whose name has only 3 letters (i.e. BOO creek, JOE slough). You are searching for a sign that is either red and green or rasberry and lime, depending on how picky you are. Below are color samples taken from a photograph of the sign:

WAYPOINT THE SIGN ... your measurements to get here were inexact and the final cache is projected from this sign location. On the sign there is a list that applies to "All" which contains 11 items. Count the letters (exclude spaces) of the third item, this is in all capital letters. Multiply the number you counted by 155.43 to determine the true bearing to the final in mils. Multiply the number you counted by 25.64 to determine the distance to the final in meters.

The final is an ammo can, hidden traditionally, yet positioned so as to be winter friendly. I'd be interested to find how close your sign projection was to actual when you log. Have fun!

Additional Hints (No hints available.)