This .zip file contains graphic files (in .png format) of each chart and graph in the Economic Research Service report "An Economic Assessment of Policy Options To Reduce Agricultural Pollutants in the Chesapeake Bay", ERR-166, published in June 2014. The content and context of these files is as of the publication date of the report. After time, the material may not reflect the current ERS program of work, may be outdated, and/or superseded, so please visit the website to obtain the latest information: www.ers.usda.gov. Any reuse of these images should include attribution to "Economic Research Service/USDA."

The following inventory lists each of the files in this folder.


File name	Description
(Fig-01.png)	Figure 1 - Chesapeake Bay Watershed and major sub-basins (HUC-4)

(Fig-02.png)	Figure 2 - Nitrogen credit supply and demand curves under alternative loading-rate baselines

 
(Fig-03.png)	Figure 3 - Nitrogen credit supply and demand curves in the presence of program subsidies under different loading-rate baselines

(Fig-04.png)	Figure 4 - Total recoverable manure (dry tons) per acre of spreadable land (all cropland plus half of permanent pasture) in the Chesapeake Bay watershed, by county, 2007

(Fig-05.png)	Figure 5 - Disposition of manure in the Chesapeake Bay watershed under current conditions and full NMP compliance, by share of non-AFO crop producers willing to accept manure

(Fig-06.png)	Figure 6 - Off-farm manure hauling and application costs under current conditions and full NMP compliance, by share of non-AFO crop producers willing to accept manure

(Fig-07.png)	Figure 7 - Cropland and pastureland area available for manure spreading, with Chesapeake Bay sub-basin (HUC6) delineations, 2007

 
(Fig-08.png)	Figure 8 - Net manure exports (1,000 dry tons) by Chesapeake Bay Watershed county, assuming full NMP compliance and 50 percent willingness to accept manure
 
(Fig-09.png)	Figure 9 - Off-farm manure hauling and application costs in the Chesapeake Bay watershed under full NMP compliance and 50 percent willingness to accept manure, with and without full conservation treatments
 
(Fig-10.png)	Figure 10 - Effects on the value of fertilizer offsets and off-farm hauling costs of the use of manure as in input to biomass energy production in the Chesapeake Bay watershed, assuming full Nutrient Management Plan compliance and 50 percent willingness to accept manure
 
(Fig-11.png)	Figure 11 - Effects on off-farm hauling costs and forgone returns to the animal sector from reducing excess manure through a reduction in animal units in the Chesapeake Bay Watershed 
