Take the Scenic Route... Take it. Take it.

While you can. These roads won't be navigable in a few years from the Fire Ball Roberts of the polaris cult. Yes, the hematite in the pluton quartz monzonite fooled me.

Old Geology for Boulder Dam:
https://web.mst.edu/~rogersda/hoover_dam/Rogers-Geo-Assessmensts-Lake-Mead.pdf

How To Build Your Own Dam:
https://www.youtube.com/watch?v=khD_ryWxfMg

Scenic Route on YouTube:
https://www.youtube.com/watch?v=o91z0Zu-5mY

Jackson Brown on YouTube:
https://www.youtube.com/watch?v=IKnnh8VDULs

On The Road Again on YouTube:
https://www.youtube.com/watch?v=Jcb-h8z1uQo