@misc{Loughlin_Gerald_Francis_(1880-1946)_Bulletin, author={Loughlin, Gerald Francis (1880-1946)}, howpublished={online}, publisher={Government Printing Office.}, language={eng}, title={Bulletin 811-C. Indiana Oolitic Limestone : relation of its natural features to its commercial grading}, type={czasopismo}, keywords={geologia, Stany Zjednoczone Ameryki Północnej, mineralogia, geografia, czasopisma, Indiana (Stany Zjednoczone ; stan)}, }