IDOE material received: 

 ■ ROSCOP Forms 

 OData 



Chart of 10 by 10 geographic 

 areas (Marsden Squares) within 

 which were collected data and 

 information reported in this 

 publication and received by NOAA's 

 Environmental Data and Information 

 Service during the period April 1977 

 to April 1978. Note: Data and 

 ROSCOP forms are seldom 

 received at the same time. 



94 



