The central Peruvian Andes is a region of varied geology and land use, likely affecting the surrounding watersheds in a variety of ways. Abnormally high levels of nitrite were measured in several streams in the Lake Junin and Cordillera Blanca regions. These high nitrite concentrations could be explained by several mechanisms: an artifact of sampling and storage, nutrient limitation, oxygen limitation, reduced reactions with hydroxyl radicals due to a reduction in Fenton oxidation reactions, pollution from Mn, As or NO2- or any combination of these factors. High nitrite levels are of concern because they can cause methemoglobinemia, a potentially fatal condition for infants or people with weak immune systems. Further studies are needed to better understand the cause behind the unusually high concentrations of nitrite in these streams, as well as the overall input of the cycle of nitrogen.
Historic documentation of life at the turn of the 19th century created by residents of Colorado Springs, Colorado in 1901 for the citizens of 2001. Under the direction of Louis R. Ehrich, a prominent 19th century businessman, the items were sealed in a chest which was stored in various buildings on the Colorado College campus until the official opening January 1, 2001 at the Charles Leaming Tutt Library. Contents of Ms349, Fd 126, Grand Army of the Republic - Addie L. Huff include: 1 2-page, handwritten letter, dated August 5, 1901, signed by Addie L. Huff, Senior Vice-President of the Department of Colorado and Wyoming of the Ladies of the Grand Army of the Republic Kit Carson Circle No. 9; 4 printed calling cards: “Mrs. Jennie Fical,” “Miss Ione L. Huff,” (2) and “Mrs. G. W. Lawhorn.”