sir2010-5199 nielsen fig15 v2 - USGS
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44° 46° 70° 68° EXPLANATION Percentage exceeding 10 micrograms per liter Less than or equal to 3.00 3.1 – 9.0 9.1 – 17.0 17.1 – 26.0 26.1 – 35.0 35.1 – 46.0 46.1 – 62.0 Fewer than 20 sampled wells State boundary Base from USGS and Maine Office of GIS digital line graphs, 2005 Projection UTM, Zone 19N, NAD 83 Scale 1:24,000 0 30 60 MILES 0 30 60 KILOMETERS MAINE Figure B. Percentage of wells in each town with arsenic concentrations greater than 10 micrograms per liter in Maine, 2005–09. Towns shown have 20 or more wells.
Transcript of sir2010-5199 nielsen fig15 v2 - USGS
44°
46°
70°
68°
EXPLANATIONPercentage exceeding 10 micrograms per liter
Less than or equal to 3.00
3.1 – 9.0
9.1 – 17.0
17.1 – 26.0
26.1 – 35.0
35.1 – 46.0
46.1 – 62.0Fewer than 20 sampled wellsState boundary
Base from USGS and Maine Office of GIS digital line graphs, 2005Projection UTM, Zone 19N, NAD 83Scale 1:24,000
0 30 60 MILES
0 30 60 KILOMETERS
MAINE
Figure B. Percentage of wells in each town with arsenic concentrations greater than 10 micrograms per liter in Maine, 2005–09. Towns shown have 20 or more wells.