Ha! I found a bottle dump like that recently and took my wife there this morning. We brought home maybe 20 whole ones. A couple nice milk bottles that read, "Store Bottle 3 cents" embossed in it. I don't pick up anything with a screw on lid but my wife did just because she liked the colors.
MineLab E-Trac, MineLab Safari, MineLab Explorer XS,
White's 5000 D, White's 6DB, White's 5000 D GEB
Sunray X-1 for the ML's, Garrett PP for the White's and a Backhoe