Statistics for occurrence #1 of “Longstreet” in chapter 5, page 175 of William Swinton, Campaigns of the Army of the Potomac:
...near Raccoon Ford; his centre (McDowell's corps) on Cedar Mountain, and his right (Sigel's corps) on Robertson's River, a branch of the Rapidan.
Banks was posted at Culpepper.
On the arrival of Longstreet , Jackson advanced from Gordonsville to the Rapidan, waited till the 20th of August for Longstreet to come up, when they crossed at Raccoon and Somerville fords.
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