Famous Geyser in Yellowstone National Park: Old __
This page is the CodyCross answer for the clue below from London, Group 483, Puzzle 3 (Full English Breakfast).
Question is: Famous Geyser in Yellowstone National Park: Old __
and the answer is: FAITHFUL
Word Meaning:
FAITHFUL — Loyal; adhering firmly to person or cause.
Definitions from Wiktionary.