Resins in Paleozoic plants and in coals of high rank

Resins in Paleozoic plants and in coals of high rankv. 85-E65–96. pls. 9-14
White, David. 1914. "Resins in Paleozoic plants and in coals of high rank." Professional Paper.U.S.Geological Survey, 85-E 65–96. pls. 9-14.
ID: 138166
Type: article
Keywords: USNM; NMNH