Montana State Library 19931028 map Helena, Montana Montana State Library The former name of this data set on the NRIS web site was "em3" https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Clark_Fork_Superfund/AnacondaArsenic1993.zip http://mslapps.mt.gov/Geographic_Information/Data/DataList/datalist_Details.aspx?did={33b14155-3366-42a0-b50c-1e21d5224fe0} Areas of arsenic groundwater plumes and arsenic surface water exceedances in the Anaconda Regional Water and Waste Operable Unit. The data were digitized from pencil sketchings on a photocopy map provided by the Department of Health and Environmental Sciences. This layer should be use for REFERENCE ONLY. These data were formerly available from the Montana State Library web site but were removed because they are potentially out of date. Please contact the Federal Superfund Bureau of the Montana Department of Environmental Quality if you want these data so they may tell you if newer or better data are available. If the data are not available from the Department of Environmental Quality, you may request a copy from the Montana State Library data archive. 19931028 Publication Date -112.939903 -112.764702 46.1804008 46.0853996 ISO 19115 Topic Category environment inlandWaters Arsenic contamination Montana Anaconda Opportunity Warm Springs None The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time. Montana State Library mailing address

PO Box 201800

Helena MT 59620-1800 406-444-5354 Montana Relay 711 406-444-0266 geoinfo@mt.gov Poor Based on digitizer RMS error, accuracy is 9.144018288 meters State Plane Coordinate System 1983 2500 45 49 -109.5 44.25 600000.00000 0.00000 meters North American Datum of 1983 Geodetic Reference System 80 6378137 298.257 AnacondaArsenicLines1993.dbf Polyline feature class FID shapefile sequence number Shape feature geometry PLUME_ID ID number from Arc/Info coverage version of the data SOLIDLINE Flag for lines which are edges of the study areas rather than borders of a feature Y Mapped line which should be drawn N Edge of the study area AnacondaArsenicPolygons1993.dbf Polygon feature class FID shapefile sequence number Shape feature geometry PLUME_ID ID number from Arc/Info coverage version of the data PLUME Polygon type Y Groundwater Plume N Area of Surface Water Exceedance Montana State Library mailing address

PO Box 201800

Helena MT 59620-1800 406-444-5354 Montana Relay 711 406-444-0266 geoinfo@mt.gov Downloadable Data The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time. 20141010 19931104 Montana State Library Kris Larson mailing address

PO Box 201800

Helena MT 59620-1800 406-444-5354 Montana Relay 711 406-444-0266 geoinfo@mt.gov FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 {ab27bb81-bc57-45c5-bcb3-d1e2f40b28f5}