@misc{1172176, author = {R E Gould}, title = {Standard time zones of the United States and adjacent parts of Canada and Mexico as of October 1, 1935 [chart]/:}, year = {1935}, month = {1935-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MP.155}, language = {en}, }