Aerial view of forest and farmland in a Pennsylvania watershed. (Scott Bauer, K5051-8)
At a Pennsylvania dairy research site, ARS scientists and Penn State collaborators collect ammonia samples and review plot layouts in an LTAR experiment. (Stephen Ausmus, D1856-11)
Grassland-shrub savanna on ARS’s Jornada Experimental Range in New Mexico. (Peggy Greb K11299-1)
A USDA technician collects vegetation samples in Mandan, North Dakota, in 1927. (USDA-ARS, D3190-1)
At a 100-year-old LTAR site in Beltsville, Maryland, scientists review maps and check data from sensors. (Stephen Ausmus, D3857-1)
Cattle move toward a windmill on the horizon for a drink of water at an LTAR site in Colorado. (David Augustine, D3858-1)
Cattle at the ARS Grazinglands Research Laboratory in El Reno, Oklahoma. (Ann Marshall, D3854-1)
Aerial view of an LTAR field planted with wheat and canola. (Dennis Wallin, D3855-1)
At ARS’s Grazinglands Research Lab in El Reno, Oklahoma, technicians collect data from a rain gauge. (Ann Marshall, D3862-1)
At the ARS Grazinglands Research Laboratory in El Reno, Oklahoma, cows visit a system that measures their methane emissions. (Rick Todd, D3856-1)
In Oklahoma, Cobb Creek and its tributaries are part of a watershed ARS is studying to gauge the effects of agricultural conservation practices on water quality. (Sherwood Mcintyre, D575-1)
During World War II, Fort Reno supplied horses and mules for the military. (Historic Fort Reno Inc., D3851-1)
U.S. Army soldiers and Indian Scouts 1880. Fort Reno was instrumental in keeping peace among Indian groups by combatting the illegal invasion of land-hungry settlers into parts of Oklahoma territory. (Historic Fort Reno Inc., D3848-1)
Cavalry training at Fort Reno in the 1900s. (Historic Fort Reno Inc., D3850-1)
Cavalry stables, early 1900s. In 1908, Congress established Fort Reno as a remount depot, where mules and horses were bred and trained for the U.S. Cavalry and our allies. (U.S. Cavalry Association and Museum, D3849-1)
In 1943, Fort Reno became a prisoner-of-war camp where several hundred German prisoners were held. (Historic Fort Reno Inc., D3852-1)
Preserving and increasing the variety of plants on pastures is one goal of LTAR research at the Central Plains Experimental Range in Colorado. (Mary Ashby, D3845-1)
At the Central Plains Experimental Range in northeastern Colorado, cattle were fitted with global positioning system (GPS) collars to track their grazing behavior and pasture use. (Peggy Greb, D2106-1)
Raramuri Criollo cattle at the ARS Jornada Experimental Range in New Mexico. (Andrea Campanella, D3859-1)