The Herman T. Pott National Inland Waterways Library, housed at the University of Missouri at St. Louis, is developing a keyword-searchable archive of past Waterways Journal issues. The Waterways Journal publishes several authoritative reference works for the river industry. These include the Inland River Record, a complete listing of inland commercial vessels updated annually, and the Inland River Guide, an annual directory of companies with waterways-related business, including barge and towing companies; harbor fleeting companies; terminals; shipyard and repair facilities; refuelers and boat store companies; contractors and dredging companies; marine brokers, surveyors and insurers; diving and salvage companies; and distributors and manufacturers that have an inland waterways customer base. It also annually publishes Quimby's Cruising Guide, an authoritative guide for pleasure boaters to 9,436 miles of waterway on 22 rivers and the Gulf Intracoastal Waterway. Arranged by river, then river mile, it includes information on locks, towns, restaurants, bed and breakfasts, landmarks, and local history. Since 1989, The Waterways Journal Inc. has published Heartland Boating, a Midwestern pleasure boating magazine that publishes 8 times a year. Since 2009, The Waterways Journal Inc. has published the bi-monthly International Dredging Review. Edited by founder Judith Powers, the IDR covers the international dredging industry, related industries, and their customers, including but not limited to public and private ports and government agencies, environmental and land reclamation interests, hydrographic surveyors, and vendors to the dredging industry. In June 2012, The Waterways Journal acquired and publishes Marina Dock Age, a magazine dedicated to dockyard and boatyard management and edited by Anna Townshend that publishes 8 issues a year. In 2013, The Waterways Journal expanded from publishing into event management by creating, producing and organizing the first annual Inland Marine Expo (IMX)   Since January 2015, The Waterways Journal has published Terrain magazine, edited by Brad Kovach, which covers "outdoor fitness, adventure and discovery" in St. Louis and the Midwest.