Denver. Taxation. Sales tax Rival grocery stores promise price cuts. 1948 Restudy the whole sales tax. RMN Ja 21, 1948 p.22 Ward receipts drop $110,000; blame tax. Post Ja 21, 1948 p.1 Suburb mayors balk at tax enforcement. Post Ja 21, 1948 p.12 Petition may force Denver tax scuttling. Post Ja 21, 1948 p.12 Limited enforcement due on use tax, says official. Post Ja 21, 1948 p.12