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531. ONTARIO GEOLOGICAL SURVEY. STUDY
ISSN : 0704-2590
ÃâÆÇ»ç : ONTARIO GEOLOGICAL SURVEY
±¹°¡ : CANADA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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532. ONTARIO GEOLOGICAL SURVEY. SUMMARY OF FIELD WORK
ISSN : 0829-8203
ÃâÆÇ»ç : ONTARIO GEOLOGICAL SURVEY
±¹°¡ : CANADA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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533. ONTARIO MINERAL SCORE
ISSN : 0714-122X
ÃâÆÇ»ç : MINISTRY OF NORTHERN DEVELOPMENT & MINES
±¹°¡ : CANADA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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534. OPENCAST MINING (YEAR)
ISSN : 0964-6027
ÃâÆÇ»ç : STRATA PUBLISHING LTD.
±¹°¡ : UNITEDKINGDOM
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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535. OPTIMA
ISSN : 0030-4050
ÃâÆÇ»ç : ANGLO AM & DE BEERS OF SOUTH AFRICA
±¹°¡ : SOUTHAFRICA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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536. OREGON. DEPARTMENT OF GEOLOGY & MINERAL INDUSTRIES. BULLETIN
ISSN : 0078-5709
ÃâÆÇ»ç : DEPARTMENT OF GEOLOGY & MINERAL INDUSTRIES
±¹°¡ : UNITEDSTATES
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
ºÐ·ù :°úÇÐ&¼öÇÐ/°úÇÐ/ÁöÁúÇÐ
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537. PANORAMA MINERO
ISSN :
ÃâÆÇ»ç : INSTITUTO TECNOLOGICO GEOMINERO DE ESPANA
±¹°¡ : SPAIN
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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538. PAY DIRT
ISSN :
ÃâÆÇ»ç : COPPER QUEEN PUBLISHING CO., INC.
±¹°¡ : UNITEDSTATES
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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539. PEAT ABSTRACTS
ISSN : 0031-367X
ÃâÆÇ»ç : BORD NA MONA
±¹°¡ : IRELAND
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
ºÐ·ù :Âü°í¹®Çå/Âü°í ¹®Çå/¹®Çå¸ñ·Ï&»öÀÎ
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540. PEATLANDS INT`L
ISSN : 1455-8491
ÃâÆÇ»ç : INTERNATIONAL PEAT SOCIETY
±¹°¡ : FINLAND
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
ºÐ·ù :°úÇÐ&¼öÇÐ/°úÇÐ/ÁöÁúÇÐ
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