E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Agreement Effected By Exchange Of Notes Between Canada And The United States of America Interpreting Article IV Of The Treaty Concerning The Diversion Of The Niagara River Concerning The Utilization Of Eastern Daylight Saving Time To Determine Hours Of Flow
Words used to code as Environmental:
diversion of the niagara river/river