The Kaga potters ultimately appreciated that defect.
Beds of brick-clays and potters' clay are widely distributed throughout the state, the total value of pottery products in 1902 being $5,283,733 and in 1906 $7,158,234.
Potters' clay is worked here.
The chief exports are coal, salt and pitch; but there is also a large traffic in potters' materials.
Imported vases from the Aegean, of the " Dipylon," " proto-Corinthian " and " Rhodian " fabrics, occur rarely, " and were imitated by the native potters; and early in the 6th century appears the specific influence of Ionia, and still more of Naucratis in the Egyptian delta.