Excerpt from Oceanography of the Grand Banks Region of Newfoundland in 1967The time required for a calibration survey varies from 4 to 7 days. This compares with about 7 days for the 1965 cruises which used a modified area survey and the pre-1965 cruises which required about 14 days for an area survey.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.