Examples from literature

• Concentrating on the task at hand, he moved slowly but confidently down the canyon, only to find a large boulder blocking his path. 
• He was lying on the floor of the canyon, on his side. 
• He worked his way slowly down the canyon, pushing himself carefully between the narrow walls in search of handholds and supports. 
• Night had fallen and the canyon was turning cold. 
• On April 26, 2003, after spending the night in his truck, he cycled south to the canyon entrance. 
• The space between the canyon walls measured no more than a meter across. 
• And one night their herd stampeded and was checked only in time to save it from going over the canyon's edge. 
• Behind her the narrow and broken trail led to the top of the canyon wall. 
• He resumed his climb, and fifteen minutes later the curly-haired cadet stood on the canyon rim. 
• I went on down to the gully that ran down the middle of the canyon. 
• Jack and Fred looked up and across the canyon at the same instant.