Nichols, D H Secretary, Boulder county, agric. fair. V, R.M.News.Oct.1,1872 p.2 c.2 Secretary, Boulder county, AGRICULTURAL society. R.M.News.Jan.21,1873 p.4 c.1 Officer, Agric. society, Denver. R.M.News.Mar.2,1867 p.4 c.2 Vice-president, agric. society, Colo. R.M.News.Aug.30,1867 p.2 c.1, Boulder county subscribes to Denver News. R.M.News.Feb.6,1867 p.4 c.2 v