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Yolo County Reference Map Analysis

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Reference Maps My hometown is located in northern California and the southern part of Yolo County. Figures 2.0 to 2.3 show the geographic location of Davis, CA. The maps were created using the United States’ Census Bureau American Factfinder website. Figure 2.0 shows California and the location of Yolo County (). This map was created using the Reference Map feature tool on the American FactFinder main page. In the “Find a Location” tab on the subsequent page I chose “place name” under the “Find by” header and searched for “Yolo County, California”. The search results produced a map that was centered on Yolo County. To highlight Yolo County I used the “Select Geography” tab and chose “County”. I clicked on Yolo County to select it and clicked “Add To Your Selections” to highlight it yellow. Once Yolo County was highlighted, I used the zoom bar to zoom out to a level that would show the entire state to show the location of Yolo County relative to California. At this distance, the only features shown are state boundaries and names, major roads, major cities, water bodies, terrain (mountains and valleys), and the boundary of Yolo County. You …show more content…

Representative fractions are a type of map scale. A map scale is a “proportion between the distance on a map and a corresponding distance on the ground” (Chapter 2 section 5). The conventional nomenclature for this proportion is Dm/Dg where Dm stands for map distance and Dg stands for ground distance (Chapter 2 section 5). Representative fractions have Dm equal to 1 and are formatted as 1:Dg (Chapter 2 section 5). The bar scales on the maps provide a visual representation of the distance on the map and the corresponding distance on the ground. I’ll use Figure 2.0 as my example in this explanation of the representative fraction. Full map scale calculations for all figures can be found in the appendices at the end of this

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