Patuxent River Estuary Historical Data Set 1969 By Month (Original Chart Recordings)

January 1969

February 1969

March 1969

April 1969

May 1969

June 1969

July 1969

August 1969

September 1969

October 1969

November 1969

December 1969

Patuxent River Estuary Historical Data Set 1969 By Month (Selected Electronic Variables)

January 1969

February 1969

March 1969

April 1969

May 1969

June 1969

July 1969

August 1969

September 1969

October 1969

November 1969

December 1969