In the mean time, the persons employed went forward to the mines, and, under the direction of a Scotch miner named Lowrie, commenced sinking shafts and raising ore at the upper mine. General Roberdeau arrived at Standing Stone after the tory expedition to Kittaning, being, as it would appear, his second visit; the first was a mere tour of observation. From this point he wrote as follows to John Carothers:—

Standing Stone, April 23, 1778.

Sir:—The enclosed was put into my hands, to be forwarded to you by express. The intelligence it contains is abundantly confirmed by several persons I have examined, both fugitives from the frontiers and some volunteers that have returned for an immediate supply of ammunition and provisions, to be sent forward to Sinking Spring Valley, as the troops will be obliged to quit the service except they are supplied without delay. Want of arms prevents those who would turn out. I shall furnish what I brought from Carlisle as soon as they come forward; but it is very unfortunate that these arms, and the ammunition, which is coming by water, have been retarded by contrary wind, and probably the lowness of the water. To remedy this, I have despatched two canoes this morning to meet them on the way. I am giving Mr. Brown, who is here, every assistance in my power; but your aid is greatly wanted to stimulate the militia, and furnish arms, ammunition, pack-horses, and every thing necessary in your line of duty. The insurgents from this neighborhood, I am informed, are about thirty. One of them (Hess) has been taken, and confession extorted, from which it appears that this banditti expect to be joined by three hundred men from the other side the Alleghany; reports more vague mention one thousand whites and savages. The supply of provisions for so great a number renders it improbable; but, in answer to this, I have been informed by the most credible in this neighborhood, that strangers, supposed to be from Detroit, have been this winter among the disaffected inhabitants, and have removed with them. If you have authority to call out the militia, in proportion to the exigence of the times, I think it of great importance that a considerable number of men should be immediately embodied and sent forward to meet the enemy; for it cannot be expected that the volunteers will long continue in service, and I find that the recruiting the three companies goes on too slowly to expect a seasonable supply from them of any considerable number. If you have not authority to call the necessary aid of militia, you, no doubt, will apply to the honorable the Council, and may furnish them with my sentiments, and to the Board of War for arms and ammunition. With ten men here, under the command of Lieutenant Cluggage, in Continental service until the 1st of December next, I intend to move forward as soon as the arms, ammunition, and other things come forward, to afford an escort to Sinking Spring Valley, where I shall be glad to meet as great a number of militia as you will station there, to enable me to erect a stockade, to secure the works so necessary to the public service and give confidence to the frontier inhabitants, by affording an asylum for their women and children. These objects, I doubt not, you will think worthy your immediate attention and utmost exertion, which, I can assure you,—making the fullest allowance for the timidity of some and credulity of others,—is a very serious matter; for without immediate aid the frontiers will be evacuated, for all that I have been able to say has been of no avail with the fugitives I have met on the roads,—a most distressing sight, of men, women, and children, flying through fear of a cruel enemy.

I am, respectfully, sir, your most obedient, humble servant,

Daniel Roberdeau.

The enclosure spoken of in Roberdeau's letter was a note from Robert Smith to Robert Cluggage, of which the following is a copy:—

Sir:—Be pleased to send expresses to Lieutenant Carothers by the first opportunity, to give him some account of insurrections on the South Mountain, and likewise to inspect very closely into who is abroad at this time and upon what occasion, as there is a suspicion, by information, of other insurrections rising in other parts of the county of Cumberland; and in so doing you will oblige your friend to serve,

Robert Smith.

April 23, 1778.

The letter of Gen. Roberdeau, as well as Smith's, were sent to President Wharton by Lieutenant Carothers, enclosed in another of his own dated at Carlisle, on the 27th of April.