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1.
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Dolomite or Dolomitic Limestone investigations in the Uda Niriella area
by Hapuarachchi, D.J.A.C | Department of Mineralogy. Material type:  Mixed materials Publisher: [-] : Department of Mineralogy ; [-] Availability: Items available for loan: (1). Items available for reference: (1).
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2.
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Report on the geological structure of the Dela - Noragolla Iron - ore field with particular reference to the relation of ore - bodies to structure
by Hapuarachchi, D.J.A.C | [Geological Survey Department]. Material type: Mixed materials Publisher: Colombo : [Geological Survey Department] ; [19-] Availability: Items available for reference: (1).
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3.
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Geological map (Advance copy) and explanation of the geology : Ambalantota sheet
by Hapuarachchi, D.J.A.C | Geological Survey Department. Material type: Mixed materials Publisher: Colombo : Geological Survey Department ; 1967 Availability: Items available for loan: (1). Items available for reference: (1).
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4.
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Geological map (Advance copy) and explanation of the geology : Matara sheet
by Hapuarachchi, D.J.A.C | Geological Survey Department. Material type: Mixed materials Publisher: Colombo : Geological Survey Department ; 1969 Availability: Items available for loan: (1). Items available for reference: (1).
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5.
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Geological map (Advance copy) and explanation of the geology : Galle sheet
by Hapuarachchi, D.J.A.C | Geological Survey Department. Material type: Mixed materials Publisher: Colombo : Geological Survey Department ; 1969 Availability: Items available for loan: (1). Items available for reference: (1).
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6.
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Geological map (Advance copy) and explanation of the geology : Ratnapura sheet
by Hapuarachchi, D.J.A.C | Geological Survey Department | Herath, M.M.J.W. Material type: Mixed materials Publisher: Colombo : Geological Survey Department ; 1969 Availability: Items available for loan: (2). Items available for reference: (1).
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7.
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Geological map (Advance copy) and explanation of the geology : Rakwana sheet - With annex
by Hapuarachchi, D.J.A.C | Geological Survey Department | Herath, M.M.J.W. Material type: Mixed materials Publisher: Colombo : Geological Survey Department ; 1969 Availability: Items available for reference: (1).
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8.
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A report on the survey of the Sinharaja forest reserve
by Hapuarachchi, D.J.A.C | [-] | Herath, J.W | Ranasinghe, V.V.C. Material type: Mixed materials Publisher: [-] : [-]] ; [19-] Availability: Items available for reference: (1).
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9.
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Dolamite, Magnesite, Quartz and Feldspar reserves of Ceylon
by Hapuarachchi, D.J.A.C | [Geological Survey Department]. Material type: Mixed materials Publisher: [Colombo] : [Geological Survey Department] ; [-] Availability: Items available for loan: (1).
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10.
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Geological Map of Sri Lanka
by Hapuarachchi, D.J.A.C [Compiler] | Department of Mines and Energy, South Australia - Drafting branch : Geological Survey Department, Sri Lanka. Material type:  Map Government of the Democratic Socialist Republic of Sri Lanka Australia 1982Availability: Items available for reference: (1).
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11.
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Metamorphic Map Sri Lanka
by Hapuarachchi, D.J.A.C [Compiler] | Department of Mines and Energy, South Australia - Drafting branch : Geological Survey Department, Sri Lanka. Material type: Map [Government of the Democratic Socialist Republic of Sri Lanka] [Geological Survey Department] [1983]South Australia D.J. Woolman, Government Printer 1983Availability: Items available for reference: (1).
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12.
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Polymetamorphic evolution of the Sri Lankan precambrian complex
by IGCP project 304-Lower crustal processes IGCP project 236 - Precambrian events in the Gondwana fragments | Hapuarachchi, D.J.A.C [Compiler]. Material type:  Text; Format:
print
; Literary form:
Not fiction
Publisher: [-] : [-] ; [1994] Availability: Items available for loan:
[Call number: 552.4 IGC]
(1).
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13.
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The granulite facies in Sri Lanka (Ceylon)
by Geological Survey Department | Hapuarachchi, D. J. A. C [Compiler]. Material type: Text; Format:
print
; Literary form:
Not fiction
Publisher: [Colombo 2] : [Geological Survey Department] ; 1975 Availability: Items available for reference:
[Call number: 552.095493 GSD]
(1).
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