This landmark publication is a seminal study of the medical geography and disease patterns of New York State in the mid-19th century. It includes comprehensive maps, charts, and statistical analyses of epidemics such as cholera, smallpox, and yellow fever, as well as recommendations for public health interventions. A must-read for historians of medicine, public health officials, and anyone interested in the history of disease and public health in America.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.