Environmental health
Title: United States National Agricultural Library (NAL)
Information: http://www.nal.usda.gov/ "The National Agricultural Library is the world's largest agricultural library. NAL is part of the Agricultural Research Service (ARS) in the United States Department of Agriculture (USDA) and is located in Beltsville , Maryland. NAL serves as a National Library of the United States and as the Library of the United States Department of Agriculture. NAL strives to ensure and enhance access to agricultural information for a better quality of life." Links to Agricola, NAL's article citation database.
Category: Environmental health