adventures_with_martin:
Bacteria in the Runoff of Grand Prismatic Spring
adventures_with_martin:
Excelsior Geyser and its runoff channel
adventures_with_martin:
Runoff Channel at Excelsior Geyser
adventures_with_martin:
Runoff Channel at Excelsior Geyser
adventures_with_martin:
Bacteria at Grand Prismatic Spring
adventures_with_martin:
Bacteria at Grand Prismatic Spring
adventures_with_martin:
Excelsior's runoff channel at the Firehole River.
adventures_with_martin:
Bacteria Thermophiles Interpretive Sign
adventures_with_martin:
Turquoise Pool
adventures_with_martin:
Grand Prismatic Bacteria Interpretive Sign
adventures_with_martin:
Bacterial Mat at Grand Prismatic Spring
adventures_with_martin:
Interpretive Sign at Excelsior Geyser
adventures_with_martin:
Sapphire Pool at Biscuit Basin
adventures_with_martin:
Thermophile Bacteria