Extent of available data.
This data layer is 2013 Spring Orthophotography. It originated from Washington County and Quantum Spatial and covers Washington County at a 0.15 meter resolution. Orthophotography is extremely useful for determining land use and land cover. As a result, it can provide important context for specific locations and other spatial data. If multiple years are available, it can also be used to identify changes that take place on the landscape.