Related Clues:

• National League division
• Direction for Greeley
• "My Little Chickadee" star
• Toward the sunset
• Nathanael who wrote 'Miss Lonelyhearts'
• Pioneer heading
• It underwent the Enlightenment, with 'the'
• "The ___ Wing"
• Geographical area
• Expansion target, with 'the'
• Compass direction
• Map section
• A Batman
• Type of wind
• Key conclusion?