21. Pratt wrote: ...we could not refrain from a shout of joy, which almost involuntarily escaped from our lips the moment this grand and lovely scenery was within our view. The two scouts undertook a twelve-mile (19 km) exploratory circuit into the valley before returning to the larger party. The next day, larger segments of the valley were explored, streams and hot springs investigated and the first camp established in the Salt Lake Valley. On July 23, Pratt offered a prayer dedicating the land to the Lord. Ground was broken, irrigation ditches were dug, and the first fields of potatoes and turnips were planted. On July 24, Young first saw the valley from a "sick" wagon driven by his friend, Wilford Woodruff. According to Woodruff, Young expressed his satisfaction in the appearance of the valley and declared "This is the right place, drive on." Today a monument stands in the spot where he made this declaration. Young later reported that he had seen the valley, including Ensign Peak, in a vision and recognized the spot. On July 28, Young established a location for the future Salt Lake Temple and presented a city plan to the larger group for their approval. In August 1847, Young and other selected members of the vanguard company returned to Winter Quarters. By December 1847, more than two thousand Mormons had completed the journey to the Salt Lake Valley. Several hundred, including Young, returned east to gather and organize the companies scheduled for following years. Demographic estimates place 1,611 pioneers in the valley of the Great Salt Lake during the winter of 1847. The adult labor force, however, was quite small as a high percentage of the group, 53.2 percent were under the age of nineteen. Twenty five percent of the total were children under the age of eight. Each year during the Mormon migration, people continued to be organized into "companies", each company bearing the name of its leader. The company was further divided into groups of 10 and 50 with authority and responsibility delegated downward. Travel conditions The pioneers traveled to the Salt Lake Valley in the Great Basin using mainly large farm wagons, handcarts, and, in some cases, personally carrying their belongings. Their trail along the north bank of the Platte River and North Platte River and over the continental divide climbing up to South Pass and Pacific Springs from Fort John along