PRISM 30-Year Average Maximum Temperature, 1981 – 2010

This layer depicts average annual maximum (high) temperature based on data from 1981 to 2010. Data was obtained from the PRISM Climate Group at Oregon State University. PRISM models climate information using a process which incorporates a digital elevation model. … Continued

Food Hubs

Layer displays the location of Food Hubs across the US. Data was obtained from the USDA Local Food Directories on January 7, 2016

Access to SNAP-Authorized Retailers

This layer displays the number and rate of SNAP-authorized retailers in each census tract and county. Locations of retailers are based on the May 15, 2016 USDA directory of SNAP-authorized retailers.

Access to Farmer’s Markets

This layer displays the percentage of each county’s population (or low income population) living near a farmer’s market (defined as within a 3 mile radius in urban areas and a 10 mile radius in urban areas). Data have been updated … Continued

Hydrography – Waterbodies

Hydrography depicts surface water, including rivers and streams, lakes and ponds, canals, coastlines, and many other water features. The Hydrography layer combines two data sets: the 2014 National Map Hydrographic Geodatabase (1:1,000,000 scale) for small to medium scales, and the … Continued

National Hydrography Dataset (Area)

The National Hydrography Dataset (NHD) is used to portray surface water. The NHD represents the drainage network with features such as rivers, streams, canals, lakes, ponds, coastline, etc. The principal components of the NHD are: NHDFlowline: This is the fundamental … Continued

Hydrography – Rivers & Streams

Hydrography depicts surface water, including rivers and streams, lakes and ponds, canals, coastlines, and many other water features. The Hydrography layer combines two data sets: the 2014 National Map Hydrographic Geodatabase (1:1,000,000 scale) for small to medium scales, and the … Continued