Drawing 1 Key: Drawing 1 shows the mining complex and the
topography of the site. The closer the topographic lines are to
one another, the steeper the terrain. The map also shows the
location of the old water pipeline, which ran from Johnson Lake
to the mill. Questions for Drawing 1 1. Looking at the
topographic lines, where do you think the 1935 snowslide
originated from that damaged the mine beyond repair? 2. What is
the advantage of placing the mill downhill from the lake? 3.
Locate the adit. What is it? Why is a tram needed to transport
its contents? Please refer to Reading 4 if necessary. 4.
Describe the mining process at Johnson Lake Mine. Does this
drawing help you better understand how the process worked? Why
or why not? * The image on this screen has a resolution of 72
dots per inch (dpi), and therefore will print poorly. You can
obtain a larger version of Drawing 1, but be aware that the file
will take as much as 30 seconds to load with a 28.8K modem.