1 Middle Horizon Wari (AD 600-1000). The strongest evidence for the pre-Inca use of quipu record keeping is from the Middle Horizon Wari (or Huari) empire, an early urban and perhaps state level Andean society centered at the capital city of Huari, Peru. 2  Late Horizon Inca (1450-1532).
The salaries of petroleum geologists correspond to their years of experience, according to the 2012 salary survey released by the American Association of Petroleum Geology. For example, workers with up to two years of experience averaged $98,700 per year, with a high of $110,000, and a low of $85,000.
Best-Paying Industries. The best-paying industry for environmental scientists was grant-making, which paid an average of $121,960, according to the BLS. However, starting salaries were likely to fall in the much lower range between the 10th percentile, $33,590, and 25th percentile, $44,810.