This document outlines the methodology and data sets used to construct the Food Insecurity Hotspots Data Set, along with use cases, limitations, and use constraints. The Food Insecurity Hotspots Data
Digitized index sheets and 38 photogrammetric scans of original aerial reel film from an aerial survey of Tillman County, Oklahoma taken March 20 & 22, 1937. Scale is 1:63,360. These photographs o
