February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

In March of 1968 there was established a satellite hydrology program within NESC's Office of Research. The objective of this program is to develop applications of satellite data to hydrologic problems confronting ESSA's mission. In the course of this activity considerable literature has been reviewed and the following annotated bibliography includes the papers and reports deemed to be of importance to the program