LOCATION
RADIATION
LEVEL _ar/hr)
DATE AND TIME (1957)
55. Black HIlIs, South Dakota
22.0
Aug.
56. Black HIl}s, South Dakota
24.6
Aug.
PRESSURE
(inches)
TEMPERATURE
( °c)
17, 1:30 P. M.
25.1
24.0
2:46 P. M.
26.0
28.0
17,
COMMENTS
Mount Rushmore, Observation
Point; parking field
State Game Lodge: See comment,
Position 54
Custer, South Dakota
16.3
Aug. 17, 4:30 P.M.
25.0
26.5
Adjacent to U.8. Post Office
58. Hot Springs, South Dakota
15.3
Aug. 17,
5:45 P.M.
26. 67
25.7
Adjacent to City Auditorium
59, Lusk, Wyoming
15.1
Aug. 17, 8:30 P.M.
25,28
24.0
Corner of W. 3rd St. and
Barrett Boulevard; adjacent
to Lusk Cabin Court.
Lusk, Wyeming
16.1
Aug.
25, 25
13.7
t.
tae
2 VOR
i
ng
16.7
23.3
1 block east of Main 8t.
on U. S. 85
18, 9:45 AM.
28. 11
23.7
Center of Town, Opposite
Trail Hotel and Citizens
National Bank
18, 11:45 AM.
24, 30
27.4
i8,
Aug.
Aug.
9: 20
A. M,
“ae,
~ALY
Soa
Cheyenne, Wyoming
17.2
On Central Ave. near First
Ave. West, residential
zz
oy SS
a
~~ aes
~
borin. cua Vyoming
ane
Late
Cheyenno, Wyoming
RS
LST Li
Ee SETseerett
/
fog
See
26, 06
Aug.
=
ee
OF
fe tes f
The
wee bee,
65. Denver, Colorado
2?
a
Same as Position 59.
comment Position 49.
eA
we me EBAAL" pnd, TAL
18, 7:00 A. MM.
fayt
6
» as
MN OTS
a
St
57.
te
neetae a
i7.6
17.7
Aug.
18, 12:20 P.M.
24.51
30.5
Adjacent to Wyoming State
Capitol Bullding, E. 24th St.
near Central Avenue
Aug.
18, 2:55 P.M.
25,02
33.6
Approx. 15 miles north of
Denver on US 87, Approx. 100
feet north of intersection
with Bull Canal