Groundwater remains a critical resource for Arkansas, with approximately 71% of the state's water use sourced from aquifers, ...

Digital soil map validation. The percentage of agreement between the reference points and the digital soil map was 82 %, with eighteen true samples and four false samples. Two of the false points were ...

The assessment included satellite images from the web mapping service, 1:25,000-scale topographic maps of the Brazilian Army, a 1:50,000-scale geological map, and a 1:100,000-scale soil map. Both soil ...

Other Assessment Ratings (Soil Management Guide) Special Reports/Map Products . A generalized Soil Landscape Map provides an overview of major soils for all of Manitoba at a scale of 1:1 000 000. This ...