"put roughly" is correct and usable in written English.
You can use it when you want to approximate something or when you are explaining something in a general sense. For example, "The new building was put roughly in the same spot as the original."
Dating for the dominant phase of the Yangshao culture may be put roughly between 5000 and 3000 bce.
The flooding put roughly 80% of New Orleans under water and displaced more than 400,000 residents.
The oil price fell immediately after the announcement of a reserve release, but it soon rallied and then stayed put roughly where it had been before the intervention.
And since the storm was less severe than Hurricane Katrina in 2005, The Times-Picayune could put roughly the same number of journalists to work during Isaac as it did back then.
Thursday after an all-night negotiating session, as talks continued beyond the union-imposed midnight deadline that would have put roughly 4,000 employees on strike at the flagship store in Manhattan, and three others in the Bronx, Queens and Westchester.
Mark Zandi, a centrist economist who has advised Republicans and Democrats and is now the chief economist at Moody's Analytics, a research firm, forecasts that Trump's trade plan could trigger a trade war that would put roughly four million Americans out of work, and cost the economy three million jobs that would have been created in Trump's absence.
That puts roughly 85% of America's territorial waters out of bounds.
According to Unep, artisanal and small-scale gold mining puts roughly 700 tonnes of mercury into the environment every year.
In Britain, for instance, electric utilities have cut back on cleaner-burning natural gas and are using more coal, which puts roughly twice as much carbon into the atmosphere.
That puts roughly 110 cities in a tough spot: either comply with the feds or lose money that helps police officers do their jobs.
Strain the solids out of the blended mixture, and pour the purple liquid into the five plastic gelation cups (putting roughly equal amounts into each cup).
