I'm with MustardMan. You can do a lot to make life easier for yourself later. High viz orange paracord fobs and reflective tape will get you far. Checking you have the most essential items regularly and retrace your steps if you don't
Unfortunately you already lost this. As everyone else suggested, get out there and look for it. Would it have been lost on your folks property? If so, maybe not a lot of people get out there.
How about using a metal detector?
Do you have a dog? Spend a couple of hours training it to sniff out Res-C and bring it <img src="/ubbthreads/images/graemlins/wink.gif" alt="" />