Work begins on ‘Cannonball Gardens’ by Iowa 2-8-0

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Work begins on ‘Cannonball Gardens’ by Iowa 2-8-0

Does anyone have any information on the “2-8-0 No. 471, which sits derelict near Annandale, Minn.”?

What does “open for display on summer Saturdays and Sunday afternoons” mean? Is it impossible to get close enough to see it any other time, or is this the only time the gate to access it is unlocked?