The Mission Tour: An Exercise in Vector Addition
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Now, use DataSlate to find the vectors. Use the tools to find distance and bearing from one Mission to the other. Also, measure the optional routes the boy could take during his rescue 'mission'. Will he travel straight over the Santa Ynes Mountains and pass by Lake Cachuma on the way to Santa Ines Mission? Will he travel along the beach and double back in the Santa Ines River valley after passing the end of the mountain chain? Will he travel along the beach and then cross over the mountains along what is now Refugio Road? Remember that we know the distance and bearing from San Buenaventura to Santa Barbara from prior calculations. We may use this information as a scale for further calculations. A List of Questions involving image interpretation follows:

Road Map (Or a political map, showing locations of cities, lakes, rivers.....) Santa Barbara Mission is located in the lower center in the map image, Santa Ines Mission is in the upper left and Refugio Road wanders northerly from Refugio State Beach toward the Santa Ines Mission. Some DataSlate Coordinates
Dem Rendition ( This is actually not a 'dem', but it shows what one looks like.) A 'dem' (digital elevation model) indicates different elevations with various colors and also with numerical values. Other types of images might include CIR, radar, thermal and natural.

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