Robert Smithson pioneered one of the most important ecological landmarks of the late twentieth century,the piece known as ________,a 1,500 foot-long coil consisting of 6,650 tons of local black basalt,limestone,and earth.

Question

Quizplus · Accepted Answer

The piece described is known as the Spiral Jetty, which was created by Robert Smithson using local materials like basalt, limestone, and earth, and is a significant ecological landmark of the late twentieth century.

Robert Smithson Pioneered One of the Most Important Ecological Landmarks