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wits Washington to collect the instruments and. other conveniences 
for such*an expedition. This was quite sufficient for all the objects © 
_ appertaining directly to our military wants, but insufficient for the 
 erganization and outfit of a party intended for exploration. . In 
submitting the following notes, they should be received as observa-~ 
tions made at intervals snatched from other duties, and with an ex- 
pedition whose movements were directed by other conpierstions 
than those -which would influence the views and conveniences of 
an explorer. 
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ila river, some irregularity in the rates is dis- 
y ach camp 83, October 26th, on the Gila river. 
t (camp 83) to San Diego, on the Pacific, the rates 
rm. Assuming Captain Belcher’s determination of that 
48m. 448., west from Greenwich, and carrying my longi- 
ack, they compare well with the longitudes derived from the 
easurements of lunar distances made at different points on 
distances. 
e between the camps of October 9th and October 26th, . 
