Word: "...the bloodhound had sniffed and
fossicked
its delicate way through thick dusty scrub..."
1. To search for gold by digging out crevices with knife or pick, or by working in washing-places and abandoned workings in the hope of finding particles or small nuggets overlooked by others.
2. To rummage or hunt about; to search.
3. To dig out, to hunt up (something).