Map Legends
In the process of converting maps to the World Wide Web the legends on certain maps became unreadable due to their small size. As a temporary solution the legends are presented here until we can update the maps. Simply look up the map number to find the appropriate legend.
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Maps 4048, 4097
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Percent Zero or None of the Seven Crops Present
Less than 50%
50% to 70%
70% to 90%
Greater than 90%
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Maps 4050 to 4052, 4054 to 4056
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Pounds per Watershed Zero or None of the Seven Crops Present
Less than 500
500 to 2,500
2,500 to 10,000
10,000 to 30,000
Greater than 30,000
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Maps 4053, 4057
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Pounds per Watershed Zero or None of the Seven Crops Present
Less than 50,000
50,000 to 250,000
250,000 to 1,000,000
1,000,000 to 2,000,000
Greater than 3,000,000
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Maps 4058 to 4065, 4093 to 4101
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Threshold Exceendence Units per Watershed Zero or None of the Seven Crops Present
Less than 10,000
10,000 to 250,000
250,000 to 2,000,000
2,000,000 to 20,00,000
Greater than 20,000,000
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Maps 4066 to 4085, 4176 to 4179
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Percent of Nitrogen or Phosphorus Taken up and Removed that could be Supplied from Manure Less than 25%
25% to 50%
50% to 100%
Greater than 100%
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Maps 4086 to 4087
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Pounds per County Less than 100,000
100,000 to 500,000
500,000 to 1,000,000
1,000,000 to 2,000,000
Greater than 2,000,000
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Maps 4088 to 4092
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Animal Units Less than 1,000
1,000 to 7,500
7,500 to 15,000
15,000 to 25,000
25,000 to 50,000
Greater than 50,000
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Maps 4138 to 4140
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Change in Pounds per Watershed > 10,000 Decrease
10,000 to 2,500 Decrease
2,500 to 500 Decrease
500 Decrease to 500 Increase
500 to 2,500 Increase
2,500 to 10,000 Increase
> 10,000 Increase
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Map 4141
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Change in Pounds per Watershed > 1,000,000 Decrease
1,000,000 to 250,000 Decrease
250,000 to 50,000 Decrease
50,000 Decrease to 50,000 Increase
50,000 to 250,000 Increase
250,000 to 1,000,000 Increase
> 1,000,000 Increase
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Maps 4142 to 4149
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Change in Threshold Exceedence Units per Watershed > 50,000,000 Decrease
50,000,000 to 1,000,000 Decrease
1,000,000 to 50,000 Decrease
50,000 Decrease to 50,000 Increase
50,000 to 1,000,000 Increase
1,000,000 to 50,000,000 Increase
> 50,000,000 Increase
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< Back to Trends in the Potential for Nutrient Loading from Confined Livestock Operations
< Back to Trends in the Potential for Environmental Risk from Pesticide Loss from Farm Fields
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