Division One leaders Blackley added another 15 points to their tally with a solid top-order batting effort at home to Booth.
Shakeel Hamid gave them plenty to think about with an unbeaten 102 which included 13 fours and three sixes as the visitors totalled 230 for nine.
However, all Blackley’s top four made 40 or more and Stephen Pollard (59 no) saw them through to a three-wicket win after they had slipped to 148 for five.
Tony Sykes took five wickets and the two Stevens - Wood and Maude - added 92 for the second wicket as Triangle overhaul;ed visitors’ Southowram’s 213 all out with plenty in hand.
Wood was the game’s top scorer with 78, Sunday Section secretary Martin Reppion having earlier shown the way for the Rams with 59 at the top of the order.
In Division Two, Warley avenged their defeat against Northowram Fields a week earlier with an eight run win.
Andrew Leonard (66) led the assault on a lightweight Fields bowling attack as Warley helped themselves to 261 all out.
The home side never looked in contention, even though Heath Phillipson made a classy unbeaten 104.
However, last man Steve Hird launched a typical late assault with 49 not out to leave the visitors slightly relieved.
Division Three side Elland warmed up for Sunday’s Rod Warhurst Cup final showdown with Lightcliffe at Bradshaw by blitzing Greetland.
Sowerby recovered from nine for three to post 162 for eight at home to Queensbury, who were rolled over for 89 thanks to five-wicket Zia-ul-Karim. Matthew Bruce (52) fought a lone battle with the bat for ‘Bury.