Related Clues:

• Something a submarine can do
• Daughter and I very edgy, initially, in disreputable bar
• The Atlantic, to a Brit
• Small pool of water in a garden
• Walden ___
• Belly flop, say
• Deliberate loss
• ___ hockey (Canadian wintertime tradition)
• Small 17-Down
• Walden ___ (Thoreau setting)
• *With 13-Across, deeply missed (Hint: Start by reading the first letter of this answer and the second letter of 13-Across)
• *"Bonanza" ranch