At the coordinates you will learn the history of the Daniel Bowman Mill, one of many area mills destroyed during the Civil War. To find the cache you have to learn how many mills in Rockingham County were destroyed - record this number as AB. Plot your course to the cache by using what you learned and entering the following coordinates:
N 38 25.A61 W 078 56.4(A+1)(B+2)
The cache is a log-only bison tube. BYOP. Stealth may be required at times.