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Use the “Select by Attribute” feature to determine which borrow sites have the material type suitable for the project at hand. “Selection” >> Left Click “Select by Attributes” >> In the “Layer:” drop down menu, select the name of the borrow sites layer >> Double Click on “Materials” in the “Fields:” box >> Left Click the “=” button >> Select the desired material for the project based on the material available at each of the borrow sites by double clicking the material in the “Unique Values:” window (Note that a query equation is formed as these selections are made such as: “Material” = ‘Crushed Rock’ (Press “Get Unique Values” to show the options if it’s not already shown)) >> Apply (Note the borrow sites that have the materials selected in the query equation are now highlighted on the map view and in the attribute table) >> Close
If more than one type of material can be used in the project and is listed in the “Unique Values:” box, use the “OR” logic key between the expressions. An example equation that would select all borrow sites that have Sand or Crushed Rock available is as follows: “Material” = ‘Crushed Rock’ OR “Material” = = ‘Sand, silt, clay mix’