Chapter 8 - Latitude, Longitude and a Kayaking Trip
    Latitude/longitude grid fully explained
        Prime Meridian
        North and south poles
        East and west longitude
        North and south latitude
        Latitude/longitude coordinates
    Measurement of coordinates from maps
        By eye on Canadian maps
        Preparing a USGS 7.5' map
        Using a minute/second calibrated ruler demonstrated
    A Kayak Trip
        A sample trip in a kayak
        Coordinates measured from a 1:63,360 scale USGS map
        Route formed to guide kayak during trip
        GPS receiver screens for trip shown
        Finding the faster route to return to the straight-line path demonstrated
        Forming a new route when significantly off course