Gortdrum

WORLD MINING. EUROPE. IRELAND...GORTDRUM'S 1969 RESULTSAND PROJECTIONS FOR THE 1970'S. AUGUST 1970, P. 49.WORLD MINING. IRELAND...GORTDRUM MINES HITS ZINC-LEAD INFIRST MOATE DRILL HOLE. MAY 1968, P. 47.ENGINEERING AND MINING JOURNAL. GORTDRUM--PRODUCER OF COP-PER AND BYPRODUCT MERCURY. NOVEMBER 1973, P. 160.MINING MAGAZINE. GORTDRUM COPPER AND MERCURY. MONTH, YEAR,PAGE AREN'T KNOWN.MINING MAGAZINE. GORTDRUM MERCURY PLANT. FEBRUARY 1970,P. 131.MINING MAGAZINE. THE DISCOVERY AND OPENING OF GORTDRUM.JUNE 1968, PP. 372-379.MINING JOURNAL. NORTHGATE EXPLORATION. OUT OF THE RED.MAY 27, 1977, P. 422.WORLD MINING. ANOTHER BIG MINE FOR IRELAND: GORTDRUM COP-PER PIT AND MILL. YEAR, MONTH, PAGE AREN'T KNOWN.