The summation of the two individual supply curves will generate the market supply curve for that product. Consider two wineries in the Paso Robles region. Paso Winery may be willing to supply 20 bottles if the market price were $10/bottle but willing to supply 100 bottles if the price were $50/bottle.
The California Gold Rush (1848-1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California.
In 1848, gold was discovered in California. Within two years, some quarter of a million gold seekers had arrived from almost every country in the world, stimulating California's economy and forming multicultural communities that still exist today.