Gram staining. Gram staining or Gram stain, also called Gram's method, is a method of staining used to differentiate bacterial species into two large groups (gram-positive and gram-negative). The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique.
Horizon Oil Sands. Horizon Oil Sands The Horizon Oil Sands project (or Horizon) is an oil sands mining and upgrading project. Horizon is 100% owned and operated by Canadian Natural Resources Limited.
Horizon City is located at 31Â°40â²56â³N 106Â°11â²46â³Wï»¿ / ï»¿31.68222Â°N 106.19611Â°Wï»¿ / 31.68222; -106.19611 (31.682315, -106.196127). According to the United States Census Bureau, the city has a total area of 8.7 square miles (22.6 km 2), all of it land.