ft.
Elevation of Fort Gibbon 334 "
------
_Elevation above sea_ 21,008 ft.

USING THE THERMOMETRIC READING OF 7 deg. AT MOUNT
MCKINLEY AND THE U. S. WEATHER BUREAU READING
AT VALDEZ FOR SAME DATE

Mount McKinley, barometric reading 13.617 in.
Barometer reduced to standard temperature +.027 " Temp. 7 deg.
------
13.644 in.

Valdez, barometric reading 29.76 in.
Barometer reduced to standard temperature .068 "
------
29.692 in. Temp. 54 deg.

Mount McKinley, corrected barometric reading 13.644 in. 21,324 ft.
Valdez, corrected barometric reading 29.692 " 190 "
------
21,134 ft.
Mean temperature, 30.5 deg.--approximate
difference in elevation 21,134 ft. -840 "
Latitude, 62 deg.--approximate difference
in elevation 20,295 " +18 "

Mean temperature, 30.5 deg.--approximate
difference in elevation 20,295 ft. +42 ft.
Elevation lowest, 190--approximate
difference in elevation 20,295 " +20 "
------
Elevation above Valdez 20,374 ft.
Elevation of Valdez 10 "
------
_Elevation above sea_ 20,384 ft.

ALTITUDES OF CAMPING STATIONS

FIRST GLACIER CAMP

Glacier Camp, barometric reading. 22.554 in. Temp. 81 deg.
Barometer reduced to standard temperature -.106 "
------
22.448 in.
Fort Gibbon, barometric reading 29.110 in. Temp. 74 deg.
Barometer reduced to standard temperature -.120 "
------
28.990 in.
Glacier Camp, correc