Mines Department. New Zealand. DIAGRAM showing QUANTITY & VALUE of GOLD exported annually from N.Z. For the years 1857 to 1911 .

C_2.

DIAGRAM showing QUANTITY & VALUE of KAURI GUM exported annually from N.Z. For the years 1853 to 1911.

DIAGRAM showing ANNUAL OUTPUT of COAL from N.Z MINES. for the years 1872 to 1911.