Move along: nothing to see here, i.e., notice the attributes, e.g., "Field puzzle". The previous tenants of this facility released a song in 1979 containing a message for a bottle hidden at the final location. Coordinates are of the form: N30° AA.BCC’ W097° DD.EEE’
X=no. of zeroes used to represent amount of castaways looking for a home
Y=no. of days since writing the note
For an extra hint, feel free to contact your Aunt Sally. I contacted mine. (She’s in Tripoli & very dear.)
AA=X*3-1
B=X-7
CC=X-1
DD=Y/10+.5
EEE=Y-X*10-10
Also notice the "not recommended for tourists" attribute as solving the Field puzzle requires knowledge of Round Rock TX history.
You can validate your puzzle solution with certitude.