It was in the first part of January, 1848, when the gold was discovered at Coloma, where I was then building a saw-mill. The contractor and builder of this mill was James W. Marshall, from New Jersey. In the fall of 1847, after the mill seat had been located, I sent up to this … Read more

An adult is about 9 to 11 ounces (255 to 312 grams) 

Surplus and specialization led to the growth of villages. Life became more complex in certain villages as they developed. Extra food and other supplies meant that more people could live together. In this way, surpluses encouraged the growth of villages and population. Surpluses also led to increase trade. People in one village might trade their … Read more