Before revision: Eskers form in ice tunnels within or under a glacier and are composed of the sediment deposits from the streams that occupy these tunnels.Shreve, R. L. Esker characteristics in terms of glacier physics, Katahdin esker system, Maine.
After revision: , as shown in Figure 1,Eskers form in ice tunnels within or under a glacier and are composed of the sediment deposits from the streams that occupy these tunnels.Shreve, R. L. Esker characteristics in terms of glacier physics, Katahdin esker system, Maine.