August 4, 1847
Location: Salt Lake Valley (the right place), Utah - The end destination for the trek across the plains.
Summary: A new roadometer is being made.
Journal entry: WEDNESDAY, 4TH. This morning William A. King has commenced making a new roadometer. The day very hot and close.
Source: William Clayton's JournalPublished by the Clayton Family Association, and edited by Lawrence Clayton. To the best of our research, this contents of this book are no longer under copyright.