Manure Manager, Jan./Feb. 2014, by Tony Kryzanowski.
http://www.mydigitalpublication.com/publication/index.php?i=0&m=1559&l=1&p=3&pre&ver=flex (article begins on page 10)

"Anaerobic digestion of cattle manure has not taken off in the arid western United States like it has in other parts of the country. The main reason it hasn’t taken hold in this part of the United States is water scarcity. Water is a critical factor in anaerobic digestion.
Researchers at Colorado State University believe this method of manure disposal might still work under the right circumstances. For that reason, they have created an online decision tool for use by both cattle feedlot and dairy farmers to help them determine if anaerobic digestion of their manure could be a viable optio
n."