Ngā kupu hautoa kōpae
Tohutoro APA (7th ed.)
Root Samuel I. (1971). Geology and mineral resources of Northeastern Franklin County, Pennsylvania. Department of Environmental Resources.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Root Samuel I. Geology and Mineral Resources of Northeastern Franklin County, Pennsylvania. Department of Environmental Resources, 1971.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Root Samuel I. Geology and Mineral Resources of Northeastern Franklin County, Pennsylvania. Department of Environmental Resources, 1971.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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