Report of Dr. Torrey, on the Botanical Department of the Geological Survey of New York

abundant Albany appears August banks beds bog iron brine calcareous canadensis carbonate of lime Catskill mountain Cattaraugus creek clay coal colour contains creek crystals Delthyris deposits district east elevation excavation extent feet feldspar formation fossils fucoides Genesee geological gneiss Gray green gypsum hills hornblende Hudson inches iron iron pyrites July July-August June June-July lake land layers Lewis county limestone localities magnetic marl mass matter May-June Michx miles mineral Mohawk mountain Muhl nearly New-York northern numerous Nutt observed occurs Onondaga ORDER oxide peat places portion Prof Pursh pyrites quantity quarries quartz river rock Rocky woods salt sand sandstone Schoharie Schoharie county seen Shady Shawangunk shells Silurian slate soil spar species specimens springs stone strata streams Strophomena sulphate surface Swamps thick thin tion Torr TRIBE tufa Ulster county upper valley vein vicinity Washington county Wet meadows Willd Williamsville