Percival Lowell Milan Observatory. In 1894 Lowell chose Flagstaff, Arizona Territory, as the home of his new observatory. At an altitude of over , with few cloudy nights, and far from city lights, Flagstaff was an excellent site for astronomical observations. This marked the first time an observatory had been deliberately located in a remote, elevated place for optimal seeing. For the next fifteen years he studied Mars extensively, and made intricate drawings of the surface markings as he perceived them. Lowell published his views in three books: "Mars" (1895), "Mars and Its Canals" (1906), and "Mars As the Abode of Life"
Lowell, Arkansas north of Bentonville and south to Fayetteville and to Fort Smith. Highway 264 is a main east-west road in Lowell, connecting I-49 and US 71B. Water and sewer service in Lowell is mostly provided by Springdale Water Utilities, with a small portion of northern Lowell receiving service from Rogers Water Utilities. Subdivisions in western Lowell operate on decentralized sewer systems due to a lack of available gravity sewer service. Potable water for much of Northwest Arkansas is treated by Beaver Water District's water treatment plant, located in eastern Lowell near Beaver Lake. Wastewater is collected by gravity sewer and sent