Washington was warmly received on his arrival, especially by his fellow aides-de-camp, Morris and Orme. He was just in time, for the attack upon Fort Duquesne was to be made on the following day. The neighboring country had been reconnoitered to determine upon a plan of attack. The fort stood on the same side of the Monongahela with the camp; but there was a narrow pass between them of about two miles, with the river on the left and a very high mountain on the right, and in its present state quite impassable for carriages. The route determined on was to cross the Monongahela by a ford immediately opposite to the camp; proceed along the west bank of the river, for about five miles, then recross by another ford to the eastern side, and push on to the fort. The river at these fords was shallow, and the banks were not steep. According to the plan of arrangement, Lieutenant-Colonel Gage, with the advance, was to cross the river before daybreak, march to the second ford, and recrossing there, take post to secure the passage of the main force. The advance was to be composed of two companies of grenadiers, one hundred and sixty infantry, the independent company of Captain Horatio Gates, and two six pounders. Washington, who had already seen enough of regular troops to doubt their infallibility in wild bush-fighting, and who knew the dangerous nature of the ground they were to traverse, ventured to suggest, that on the following day the Virginia rangers, being accustomed to the country and to Indian warfare, might be thrown in the advance. The proposition drew an angry reply from the general, indignant, very probably, that a young provincial officer should presume to school a veteran like himself. Early next morning (July 9th), before daylight, Colonel Gage crossed with the advance. He was followed, at some distance, by Sir John St. Clair, quartermaster-general, with a working party of two hundred and fifty men, to make roads for the artillery and baggage. They had with them their waggons of tools, and two six pounders. A party of about thirty savages rushed out of the woods as Colonel Gage advanced, but were put to flight before they had done any harm.