1. Map and diagrams showing the distribution, thickness, and textural characteristics of Holocene sediments, Penobscot Bay, Maine Yale Public content 1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Maine, Penobscot Bay, and Penobscot Bay (Me.).