Your search within this document for 'virtual' resulted in one matching pages.
1

“...checked by thousands of tons of the hill-sides sliding into the Canal, bringing into the Cut streams which had been diverted, and threatening to flood the workers out: there is something dramatic, majestic and occasionally terrible in it all. Originally known as the Culebra Cut, it was, on April 17th, 1913, renamed by President Woodrow Wilson the Gaillard Cut, after Lieut.-Colonel D. D. Gaillard, of the Corps of Engineers, United States Army, who was in charge of the work from 1907 until its virtual completion in 1913. To appreciate the immensity of the Cut one must pass through it in a steamer and see the mighty precipices of Gold Hill and the famous Cucaracha Slide, which threatened at one time to frustrate the work of the engineers and overwhelm the canal. It may be recalled...”