DES MOINES — Up and running but coping with the continuing coronavirus pandemic, Iowa’s 19 state-licensed casinos took in less revenue and saw attendance plummet in July compared with a year ago.“We’re inching our way back,” said Wes Ehrecke, spokesman for the Iowa Gaming Association, an umbrella group for the casinos.State officials posted a report Friday showing adjusted gross revenue for July approached $120.4 million after the facilities and many other Iowa businesses were ordered closed from mid-March to June 1 under a gubernatorial emergency proclamation.Ehrecke said last month’s $120,377,101 in adjusted gross revenue, according to the state Racing and Gaming Commission, was down nearly 4 percent — or about $5 million — from July 2019.