From the end of it a small wand planted here and there showed where the path zigzagged from tuft to tuft of rushes among those green-scummed pits and foul quagmires which barred the way to the stranger.
There are no more uses of "quagmire" in the book.
Show samples from other sources
She fears another quagmire like Vietnam.
She doesn’t realize she is stepping into a quagmire.