Abstract - Introduction to GIS

A complete list of datasets used can be seen in Table 1. A data set of “Asthma ED Visits Rates by County 2012” was downloaded from the California Department of Public Health Geospatial Resources website. A shapefile of “State Highway Network/Postmile System” and “Traffic Volumes (AADT)”was downloaded from Caltrans GIS Highway Data. ................
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