US Box Office – 25 March 1970

1 6 3 AIRPORT Burt Lancaster, Dean Martin
2 1 14 CACTUS FLOWER Walter Matthau, Ingrid Bergman
3 3 7 PATTON George C. Scott, Karl Malden
4 4 15 THEY SHOOT HORSES, DON’T THEY? Jane Fonda, Michael Sarrazin
5 RE 1 IN SEARCH OF THE CASTAWAYS Hayley Mills, Maurice Chevalier [Re-issue] 
6 5 14 HELLO, DOLLY! Barbra Streisand, Walter Matthau
7 RE 24 BOB & CAROL & TED & ALICE Natalie Wood, Robert Culp
8 NE 12 A DREAM OF KINGS Anthony Quinn, Irene Papas
9 NE 1 THE BOYS IN THE BAND Kenneth Nelson, Frederick Combs
10 NE 8 M*A*S*H Donald Sutherland, Elliott Gould

Complete US Box Office Charts (week-by-week)
from Variety magazine are available here:
https://www.amazon.com/Weekly-Box-Office-Charts-1970s-ebook/dp/B071GPPSGR/