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1.
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2.
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Scenic Trails of the Heartland
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3.
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4.
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A Year in the Heartland
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5.
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A Guide to Nature's Highlights
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6.
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Fifty-Two Scenic Hikes Through Our Parks and...
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7.
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8.
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Scenic Trails of the Bluegrass State
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9.
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Scenic Hikes Through the Parks and...
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10.
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A Guide to Seasonal Highlights
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11.
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A Guide to Seasonal Highlights
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12.
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Scenic Trails of the Buckeye State
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13.
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14.
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15.
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