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)