Out here, in the middle of nowhere, the site would have never been discovered by accident.
The site was discovered in the 1970s during search for mineral resources.
The site of the wreck was not discovered until 1997.
The site was discovered during the construction of Interstate 90 in the early 1970s.
The site was first discovered by 1910, with more extensive digging between 1925 and 1936.
The site was discovered in 1970 and the important research only began in 1996.
The site was discovered in the mid-1870s during digging of a well.
The site, 10,000 feet above sea level, was discovered in 1975.
A very large archaeological site was discovered in the area running along both sides of the road.
The site was discovered in the late 19th century.
