Statistics for occurrence #1 of “Capt. Mason” in article 2 of The Daily Dispatch: September 6, 1861., [Electronic resource]:

...nfederate States Army, Fairfax Station, Va., Sept. 1 Last evening I returned from Mason's Hill, seven miles south of Washington, D. C. Mason's Hill derives its name from the gentleman's name ( Capt. Mason , now in the Confederate service at Norfolk, Va.,) who is the proprietor. Mason's Hill is a very high and commanding position, and about two miles from Munson's Hill, both of which are now fortified...
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