karst features - orleans, in. check and double-click the problem 10 path to fly to an area near orleans, in. this path highlights part of the lost river, a stream that flows from east to west in this area. follow the stream path east to west, and look at the water level in the stream and at the landscape through which it flows. what kind of stream is it? a. intermittent b. disappearing/sinking c. arroyo d. perennial