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1
by Heton, Thomas
Published 1721
Printed for John Wyat
Subjects: “...Mines and mineral resources / Government ownership / Great Britain / Early works to 1800...”
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2
by Heton, Thomas
Published 1707
Printed by W.B. for John Wyat
Subjects: “...Mines and mineral resources / Government ownership / Great Britain / Early works to 1800...”