Watershed Boundary Dataset, 4-Digit Hydrologic Units

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The 4-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the second level hydrologic subdivision of the United States. A 4-digit hydrologic unit includes the area drained by a river system, a reach of a river and … Continued

Watershed Boundary Dataset, 12-Digit Hydrologic Units

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The 12-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the sixth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with … Continued

Missouri NAIP, 2020

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The National Agriculture Imagery Program (NAIP) product is aerial imagery based on data collected in the summer of 2020.

On-Farm Markets

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Layer displays the location of on-farm markets across the US. Data was obtained from the USDA Local Food Directories on July 12, 2025.