Extent and Distribution of Numeralization Within the Deposit

10. Assured.
Unusually regular, even and continuous; demonstrating permanent, very extensive numeralization.

9. Superior.
Regular, continuous, promising permanent extensive mineralization.

8. Very good.
Continuous, not entirely regular, slight doubts as to permanent extensive mineralization.

7. Good.
Continuous, somewhat irregular, some portions might be unprofitable.

6. Fair.
Continuous but uneven. Indications that some portions would not be profitable.

5. Passable.
Not entirely continuous, uneven. Indications of some unprofitable zones.

4. Poor.
Not continuous, decidedly uneven. Indications of unprofitable zones.

3. Very poor.
Distribution so irregular, workable only by sorting, unprofitable zones.

2. Bad.
Very irregular, spotty. Much dead work to obtain any good material.

1. Very bad.
Spots only. Doubts of sufficient good material to compensate working.

0. Outclassed.
Mineralization in small isolated spots where demonstrably no profit could be maue.