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541. PENNSYLVANIA BAR ASSN. ENVIRONMENTAL, MINERAL & NATURAL RESOURCES LAW SECTION. NEWSLETTER
  ISSN :
  ÃâÆÇ»ç : PENNSYLVANIA BAR ASSN
  ±¹°¡ : UNITEDSTATES
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  • 542. PENNSYLVANIA. DEPARTMENT OF ENVIRONMENTAL PROTECTION. ANNUAL REPORT ON MINING ACTIVITIES
      ISSN :
      ÃâÆÇ»ç : DEPARTMENT OF ENVIRONMENTAL PROTECTION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
  • 543. PERIODICO DI MINERALOGIA
      ISSN : 0369-8963
      ÃâÆÇ»ç : EDIZIONI NUOVA CULTURA
      ±¹°¡ : ITALY
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  • 544. PHILIPPINE MINING & ENGINEERING JL
      ISSN : 0048-3842
      ÃâÆÇ»ç : BUSINESS MASTERS INT`L
      ±¹°¡ : PHILIPPINES
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  • 545. PHILIPPINE MINING & ENGINEERING JL. MINING ANNUAL & DIRECTORY
      ISSN : 0085-4875
      ÃâÆÇ»ç : BUSINESS MASTERS INT`L
      ±¹°¡ : PHILIPPINES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
  • 546. PHILIPPINES. BUREAU OF MINES. ANNUAL REPORT
      ISSN :
      ÃâÆÇ»ç : BUREAU OF MINES & GEO-SCIENCES
      ±¹°¡ : PHILIPPINES
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  • 547. PHYSICS & CHEMISTRY OF MINERALS
      ISSN : 0342-1791
      ÃâÆÇ»ç : SPRINGER-VERLAG GMBH & CO. KG
      ±¹°¡ : GERMANY
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  • 548. PIT & QUARRY
      ISSN : 0032-0293
      ÃâÆÇ»ç : ADVANSTAR COMMUNICATIONS
      ±¹°¡ : U.S.A.
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  • 549. PIT & QUARRY HANDBOOK
      ISSN :
      ÃâÆÇ»ç : ADVANSTAR COMMUNICATIONS, INC.
      ±¹°¡ : UNITEDSTATES
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  • 550. PIT & QUARRY SA
      ISSN :
      ÃâÆÇ»ç : BROOKE PATTRICK PUBLICATIONS
      ±¹°¡ : SOUTHAFRICA
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