Archive - MCCOLL, RANKIN AND STANISTREET COLLECTION: NELL GWYNNE REEF MINING BOX, 1930's - 1940's Physical description Mining Box. Painted green with yellow interior. Nell Gwynne Reef painted on the front of the box. Tag number 488, now box number 9. Box contains Minute Book (from 3/10/1939 to 21/8/1947) and financial books for Forbes Carshalton GMC N/L. Subjects mining, parish map, nell gwynne reef, mccoll, rankin & stanistreet, nell gwynne reef, forbes carshalton gmc n/l, mining box