Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A solar water heater reduces the amount of heating fuel used at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Co-owner Rick Hissong says funding for the project came from the Environmental Protection Agency (EPA). (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Mercer Vu Farms is seen in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A solar water heater reduces the amount of heating fuel used at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Co-owner Rick Hissong says funding for the project came from the Environmental Protection Agency (EPA). (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
Corn is harvested at Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Mercer Vu farms 3,000 acres as well as 1,000 acres in White Post, Va., and milks 2,500 cows overall. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
A trailer spreads liquid manure on a field owned by Mercer Vu Farms in Mercersburg, Pa., on Sept. 29, 2017. Processes that separate out solids from the manure have reduced transportation costs and allowed the farm to more precisely apply nutrients, reducing pollution and reducing its carbon footprint. (Photo by Will Parson/Chesapeake Bay Program). (Download on Flickr)
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