2004 Hydroacoustic and Diver Assessments of Post-treatment Vegetation - Houghton Lake, MI - (ReMetrix LLC).

A Biological Survey of the Muskegon and West Branch Muskegon Rivers in Clare, Missaukee and Roscommon Counties. - 1994 - (MDEQ).

A Biologicial Survey of the Upper Muskegon River in Missaukee and Roscommon Counties - 1989 - (MDEQ)

An Analysis of Wild Rice at Houghton Lake, MI - impact on waterfowl, fisheries and water quality due to the loss of wild rice in Houghton Lake, MI - contact MRWA

An Investigation of Copper Sulfate Concentrations in Sediment and Water Samples and Sediment Toxicity in Cadillac, Mitchell and Houghton Lake - 2003 - (MDEQ).

Archived Superfund Sites - (EPA) - Listing of archived superfund sites by Michigan County.

Demographic, health status and health systems indicators for Center Michigan Health Department

Economy of Roscommon County - (MI Economic Dev. Corp)

Ecosystem Management at Houghton Lake, MI with Emphasis on Wild Rice (zizania aquatica) ecology - study on decline of waterfowl on Houghton Lake due partially to the decline in wild rice.

Emerald Ash Borer Quarantine - Roscommon County - (MDA) - map of the area of quarantine for the emerald ash borer.

General Land Office Plats - Roscommon County

Houghton Lake 2004 Aquatic Vegetation Monitoring Survey - (Progressive AE) - Contact MRWA.

Houghton Lake 2004 Water Quality Report - (Progressive AE) - Contact MRWA.

Houghton Lake Improvement Board Newsletter - Spring 2004 - describes five-year management plan for Houghton Lake's aquatic plant control. Contact MRWA.

Houghton Lake Management Feasibility Study - management plan produced in response to concerns about Eurasian watermilfoil in Houghton Lake. Contact MRWA.

Hydroacoustic Assessment of Pre- and Post-treatment Vegetation - Houghton Lake - (USACE) - comparison of submersed vegetation from the summer of 2001 to summer of 2002. Contact MRWA.

Inland Lake Maps by County - (MDNR) - maps give contour and other lake information

Management of Eurasian Watermilfoil in Houghton Lake MI: Workshop Summary - (USACE)

Michigan Lake Finder - database of Michigan lakes by name, county or fish species. Also, gives depth, acreage and fish species of each lake.

Report on a Preliminary Investigation of the Muskegon River Flooding Project - 1938 - (Institute for Fisheries Research)

Section 302 Reconnaissance Report on Aquatic Plant Control for Houghton Lake and Lake St. Helen, MI - feasibility study in 1986 of providing measures for the control of aquatic growth in these two lakes. Contact MRWA.

The Fish Community and Fishery of Houghton Lake, Roscommon County, MI with Emphasis on Walleyes and Northern Pike - (UofM & MDNR) - survey of fish populations in 2001 and 2002.

Water Area amd Land Area Percentages by County

Water Quality of Houghton Lake - 1973 - (MDEQ) - a very large file to download.