Early in the summer of 1860 I had a bad attack of gold fever. In Chicago the conditions for such a malady were all favorable. Since the panic of 1857 there had been three years of general depression, money was scarce, there was little activity in business, the outlook was discouraging, and I, like hundreds of others, felt blue.
Principles; Migration in the space-time & frequency domain; Optimised & non-linear migration; Effect of velocity structure inhomogeneity; Pseudo-three-dimensional & three-dimensional migrations; Peculiarities of migration results & technology.
Discover Metals Articles
Discover Metals Books