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Mjr Kool: 1941 Boating on Lake Mead, near the Colorado River
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Mjr Kool: Napolean's Tomb
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Mjr Kool: 1935-11-7 Napoleans Tomb WASH-No-3334
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Mjr Kool: 1935-11-7 Napoleans Tomb WASH-No-3335
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Mjr Kool: 1935-11-7 Napoleans Tomb WASH-No-3336
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Mjr Kool: 1935-11-7 Napoleans Tomb WASH-No-3339
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Mjr Kool: 1935-11-8 Box Canyon near Lake Mead, Grand Canyon Area
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Mjr Kool: 1935-11-8 Box Canyon near PF WASH-No-3311
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Mjr Kool: 1935-11-8 upstream of PF WASH-No-3315
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Mjr Kool: 1935-11-8 WASH-No-3307
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Mjr Kool: 1935-11-8 WASH-No-3329
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Mjr Kool: 1938-12-10 PERM-No-4525
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Mjr Kool: 1938-12-10 PERM-No-4526
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Mjr Kool: 1939-1-19 Pierce Ferry PERM-No-4578
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Mjr Kool: 1939-3-16 Joshua Forest PERM-No-4636
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Mjr Kool: Small Boat Big Mesa (1939)
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Mjr Kool: 1939-10-19 PERM-No-4842
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Mjr Kool: 1940-5-2 Pierce Ferry Floating Evaporation Pan PERM-No-5007
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Mjr Kool: 1940-7-21 PERM-No-5107
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Mjr Kool: 1940-8-4 Grand Wash Cliffs PERM-No-5111
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Mjr Kool: 1940-8-4 Napoleans Tomb PERM-No-5102
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Mjr Kool: 1940-8-4 Napoleans Tomb PERM-No-5104
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Mjr Kool: 1940-8-4 PERM-No-5105
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Mjr Kool: 1940-8-4 PERM-No-5109
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Mjr Kool: 1940-08-04 PF PERM-No-5116
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Mjr Kool: 1940-12-13 seismograph station at Pierce Ferry
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Mjr Kool: 1941-01-08 Gauge Station
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Mjr Kool: 1941-03-11 PERM-No-5345
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Mjr Kool: 193x-11-11 PERM-No-5040
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Mjr Kool: 193x-11-11 PF and GWC PERM-No-5041