""Land Magnetic Observations, 1914-1920"" is a scientific book written by Louis Agricola Bauer in 1921. The book is a detailed account of the magnetic observations made on land during the period of 1914 to 1920. Bauer, who was a renowned American geophysicist and a pioneer in the field of geomagnetism, provides a comprehensive analysis of the magnetic data collected during this time, which was a period of significant scientific progress in the field.The...