Dead End Mystery Cache

We just recently discovered puzzle caches and wanted to try making our own.  Don't be discouraged by the cache name, we promise it actually exists.

The cache is not located at the above coordinates, but they are the first step in getting you there.  When you arrive at the coordinates, you will be within 200 feet of the numbers you need to find the cache.  Once, you find them,plug them in order into the following coordinates to take you to the cache container.

N 40 50.XXX W 115 54.XXX

The cache is a smal container that can accomodate several small trade items.  Happy hunting!