Show educational SERVICE AT NATIONAL PARKS washington D C that the word education has no terrors for national park visitors la Is proved by a review of the achievements of tho the first decade of educational activities in those these parks states a memorandum from the department part ment of the interior i alor A 4 statistical analysis of the d development of I 1 this type type of work in them the yellowstone largi larg est odthe of the parks under the administration of the national park service of a f the department of the interior reveals repeals a popular demand tor for this se service r that cannot ba be dented denied and t that hat has forced expansion of educational activities the three main divisions of park trips of 0 varying duration by n nature guides |