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148 Memoir on the Catskill Mountains with Notices of their Topog- 

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149 Putnam, B. T. Notes on Samples of Iron Ore collected in New York. 10th 



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150 Bammelsberg, C. F. Analysis of Pyroxene from Edenville, N. Y. Min- 



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151 Vom Rath, G. Diopside from DeKalb, N. Y. Sitzber, Niederrh, Ges. fur 



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152 Pyroxene from Orange County, N. Y. Zeit. fur Kryst. u. Min. 



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153 Ueber Diopsid von DeKalb, N. Y. Zeit. fur" Kryst. u. Min. 



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154 Alteration Products of Pyroxene from Orange County, N. Y. 



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155 On Pyroxene from Diana, N. Y. Pogg. Ann. Bd. : 1872. 144:377. 



156 Baymond, B. W. Spathic Iron Ores of the Hudson River. Am. Inst. Min. 



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157 Pyrrhotite Deposits at Anthony's Nose, N. Y. Am. Inst. Min. 



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158 Bies, Heinrich. List and Bibliography of Minerals occurring in Warwick 



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159 Monoclinic Pyroxenes of New York State. N. Y. Acad. Sci. Ann. 



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160 Geology of Orange County,, N. Y. N. Y. State Mus. 49th An. 



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163 - Clays of New York. N. Y. State Mus. Bui. 35. 1900. 



164 - & Eckel, F. O. Lime and Cement Industries of New York. N. Y, 



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165 Biggs, B.*B. Indicolite, so-called^from Harlem, N. Y. Am. Jour. Sci, 



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166 Bobinson, S. List of American Mineral Localities. Bost. 1826. 



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168 Boot, O. On a Locality of Carbonate of Strontian. Am. Jour. Sci. Ser. 2, 



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169 Boot, E. W. On Wilsonite" from St Lawrence County, N. Y. Am. Jour. 



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170 Buttman, F E. Notes on the Geology of the Tilly Foster Mine. Am. Inst. 



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171 Sahlin, A. Talc Industry of the Gouverneur District, St Lawrence County, 



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