The lake was renamed from its traditional Mono name by American settlers after an incident on September 23, 1871, in which a group of convicts escaped from prison in Carson City, Nevada, and took refuge near the lake. (source)
The important thing is not to complete the circuit near a battery, since it can cause sparks which can ignite the flammable vapors that batteries tend to emit when discharging. This is especially important near the dead battery, which has potentially been discharging quite a lot recently.
So the usual sequence is:
I usually start by clipping the dead negative wire to something non-conductive to keep it out of the way and then move it to ground as the last step.