print email comment close North American Drought: A Paleo Perspective URL: http://www.ncdc.noaa.gov/paleo/drought/ Description: Information "to explain how paleoclimatic data can provide information about past droughts and about the natural variability of drought over timescales of decades to millennia." Includes maps that display droughts of the 20th century (including the Dust Bowl); data for the past 500 and 2,000 years; and even earlier information derived from pollen, charcoal, and lake level changes. From the National Oceanic and Atmospheric Administration (NOAA). Publisher: United States. National Oceanic and Atmospheric Administration Extra Keywords El Niņo La Niņa Library of Congress Subject Headings: Droughts -- North America Paleoclimatology LII Database Information: Record 10035 created by Dana Lubow on 12/11/2000 Last modification on 03/16/2005 Published: 12/11/2000   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/10035