Walter Ezell:
Tetons twilight
Walter Ezell:
Watson-Cooper 819 SH
Walter Ezell:
Swamp pink in seed 762
Walter Ezell:
Swamp pink in seed SH
Walter Ezell:
Swamp pink at Watson-Cooper Heritage Preserve
Walter Ezell:
Wood Duck House
Walter Ezell:
Lake Watacoo 908
Walter Ezell:
Lake Watacoo 841 SH
Walter Ezell:
Scenic overlook 918
Walter Ezell:
Smokey Mountain View
Walter Ezell:
Smokey Mountain View
Walter Ezell:
Wagner Natural Area 719 SH
Walter Ezell:
Wagner Natural Area 720 SH
Walter Ezell:
Marl Pond 821_2_3_4_5
Walter Ezell:
Swamp Marigolds 904 SH
Walter Ezell:
Grand Tetons
Walter Ezell:
Grand Tetons
Walter Ezell:
Lewis River in Yellowstone 830
Walter Ezell:
Lewis River in Yellowstone 831
Walter Ezell:
Yellowstone River
Walter Ezell:
Mount Haynes in Yellowstone 987_8_9
Walter Ezell:
Mount Haynes in Yellowstone 993
Walter Ezell:
Constant Geyser LAB
Walter Ezell:
Fumerole 351 LAB
Walter Ezell:
Near Golden Gate 408_09_10_11_12
Walter Ezell:
Mammoth Hot Springs Terraces 492
Walter Ezell:
Yellowstone River
Walter Ezell:
Grand Geyser 780-1 SH
Walter Ezell:
Blue Pool near Prismatic LAB
Walter Ezell:
Grotto 102 LAB
