These bunkers were mostly dugouts for single soldiers. "Johnston" shelled an observation tower and several blockhouses, pillboxes, and dugouts along the beach. Both sides began to construct defensive positions reinforced by dugouts, trenches and barbed wire. Settlers first built sod houses, dugouts, and shanties, then houses and stores. The partisans lived in underground dugouts (zemlyankas) or bunkers. The Pacific Northwest canoes are a dugouts usually made of red cedar. Large numbers of Germans were taken prisoner in the dugouts that adjoined the trench. In many parts of the state, the soil was suitable for dugouts and sod houses. They used reinforced concrete to construct deep, shell-proof, ventilated dugouts, as well as strategic strongpoints. The First World War's Western Front included an extensive system of tunnels, subways, and dugouts. Whether fielders can attempt to catch balls in dugouts or the stands varies. This includes standing behind the dugouts during batting practice and to seek autographs. These were the first British tunnelled dugouts in the Ypres Salient. Even though the inning was not over, everybody retreated to the dugouts. There have been deaths of players on the pitch and dugouts.