Group of people collecting material from the water, Japan, ca. 1920-1940

Photographic postcard of seven people looking through material they are getting from shallow waters. The two at the bottom of the photo have two baskets in between them. The woman on the left is bent over and the woman on the right is bending over. A group of three peaple are deeper in the water to the left of a boat. The boat is anchored and has a large pile of sticks on top