Trump officials open door to fracking in California

[Brother Buzz]

19. I understood pitch was just basically plucked from tree trunks early on

Nifty stuff for affixing points to shafts, albeit brittle.

California Indians had all the pitch they needed, but discovered oil tar (asphaltum) was far superior.

For hundreds and hundreds of years there was a brisk commerce, trading coastal asphaltum (think hot glue) and Sierra obsidian. That is, until the Spanish arrived and decided to glom on to all of the tar for their own uses.