The discovery of a method to effect this before the first grinding would without doubt raise the value of gold-ores many fold.

It is curious to find how the minute particles of gold, being scattered about and not corroding, at last accumulate in some quantity.

A short time since a few miners, being out of work, obtained permission to scrape the ground round the house and mill; they washed the earth thus got together, and so procured thirty dollars worth of gold.

This is an exact counterpart of what takes place in nature.

Mountains suffer degradation and wear away, and with them the metallic veins which they contain.