Thomas Jefferson Papers

To Thomas Jefferson from Thomas Moore, 22 August 1806

George Town 8th. mo 22nd. 1806

Esteemed Friend

I expect to set out in a few days to meet the other Commissioners of the Ohio Road.—While John Mason was in office he acted as treasurer to the Commissioners, & with the consent of the Secretary of the Treasury drew therefrom $500. on account of the Road. The chief Clerk to the Secretary this day informs me that agreeably to the Law, no other person than the President can draw for that purpose. If this is also thy opinion, I will thank thee to place such a sum as thou may think proper in the hands of William Whan Cashr. of the Bank of Columbia, on whom we may draw as occasion may require. And in order to enable thee to judge of the requisite sum for this year, I will take the liberty to state, that the daily Fees of the surveyor and his company amounts to about $9. If the Autumn & beginning of Winter should prove favorable they will probably make 180 days. which is $1620. The Commissioners will at least wish to draw the amount of their expenses, (say) $6. per day, probably for 100 days, amounting in the whole to $2220. out of which $500 has been paid. The balance deposited as aforesaid, will I think enable us to prosecute the business until near the end of the year if it should not be sooner accomplished; (and I am very doubtful it will not,) An if it should be thought more eligible for the President to give permission for such member of the Commissioners as may be appointed their Treasurer, to draw immediately on the Treasury from time to time as the business may require, I have no doubt but it will be equally as agreeable to them.—whatever mode is adopted for our accommodation, it will be right for us to be made acquainted with as early as convenient by Letter directed to Cumberland.

I have sometimes thought that meteorological observations made on, & about the Allegheny Mountains, compared with those of the same time made nearer the Atlantic, might lead to an illustration of some of the Phenomena of our Climate, which at present are but imperfectly understood; particularly the sudden transitions of heat & Cold & the variableness of our Winds; in the production of which I have no doubt but those elevated Ridges have considerable agency. I have therefore concluded to take a small Thermometer with me, & to note in my diary the temperature of the Air each morning before we set out & in the evening after we quit business, and the course of the wind; also, the precise time of day when any remarkable change takes place, particularly the beginning & ending of an easterly Storm & the wind that immediately succeeds.—If thou should be of the opinion that either usefulness or amusement may grow out of it, & will engage a suitable person somewhere near the tide to undertake a similar course of observations, I will also try to have it done at Cumberland or somewhere near the foot of the mountain on this side.

I am really sorry I have to inform thee that the completing of prior engagements in this place, and the arranging of my own domestic concerns for an absence of several months, has not left me sufficient time to complete the calculations thou wished me to make relative to the Canal, though I have paid some attention to the subject—

I am with great respect thy friend

Thos. Moore

DLC: Papers of Thomas Jefferson.

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