The phrase "a basin west of" is correct and usable in written English.
It can be used to describe the location of a basin in relation to another geographical feature or landmark that is situated to the east of it.
Example: "The researchers discovered a basin west of the mountain range that was rich in mineral deposits."
Alternatives: "a basin located to the west of" or "a basin situated west of".
"The operation of the dams was completely proper, logical and responsible". Officials acknowledge that water was pumped out of north Albany after that area flooded, but they say the water was pumped to a drainage basin west of the city and away from the flooded area.
Normally, some 25 percent of the Mississippi's flow is diverted into the Atchafalaya and the West Atchafalaya Floodway (an area of the basin west of, and parallel to, the river) through the Old River Control Structures at the Mississippi, but during floods such as those of 1973 and 1993, the Morganza Floodway (an area east of, and parallel to, the Atchafalaya) is utilized as well.
Depth to magnetic basement estimates image a 400-km-wide and more than 10-km-deep sedimentary basin west of the lake.
The figures in parentheses are for storms in the Central Pacific basin west of 140°W; those not in parenthesis are for the Eastern Pacific basin.
It lies in a fertile mountain basin west of the Tokyo-Yokohama metropolitan area.
The Colorado River cutthroat trout is native to the upper Colorado River basin, west of the divide.
Oil fields were brought into production in the early 1970s in the Peruvian portion of the Amazon basin west of Iquitos.
The Lerma River has its headwaters in the Toluca Basin, west of Mexico City, and flows westward to form Lake Chapala, the country's largest natural lake.
The goal of the proposed research is to collect data necessary to study the rifted continental to oceanic crust transition in the Deep Galicia Basin west of Spain.
The four are represented by Queensland South Native Title Service, which is handling the W&J native title claim over traditional lands including the proposed site of the Carmichael mine in north Queensland's Galilee basin, west of Bowen.
