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In page Patterson–Gimlin film:

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Patterson initially estimated its height at 6 feet 6 inches (1.98 m) to 7 feet (2.1 m),[4] and later raised his estimate to about 7 feet 6 inches (2.29 m). Some later analysts, anthropologist Grover Krantz among them, have suggested Patterson's later estimate was about 1 foot (0.30 m) too tall. Gimlin's estimate was 6 feet (1.8 m).[citation needed]