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Winter Brothers Material Company offers a broad selection of Meramec River sand and gravel for the industry. Our sand and gravel is purchased by ready mix concrete manufacturers, and is also extensively utilized in the roofing, masonry, asphalt, landscaping, septic systems, dewatering and extraction well industries. Below is a list of products and their respective gradation sizes. If you have any questions, please give us a call.
| Products | Description | |
| Large B Gravel | 2 3/4" x 1" - SUNSET HILLS PLANT ONLY | |
| Special B Gravel | 1 1/2" x 3/4" | |
| C Gravel | 1" x #8 Mesh | |
| B-1 State Gravel | Per Mo. Sec. 1005.1.3 Grad. D | |
| 5/8" Roofing Gravel | 5/8" x #4 Mesh - HAGEMANN PLANT ONLY | |
| 1/2" Roofing Gravel | 1/2" X #4 Mesh - HAGEMANN PLANT ONLY | |
| 1/2 & 1/2 Gravel | 1/2" X #8 Mesh - SUNSET HILLS PLANT ONLY | |
| Torpedo Gravel | 3/8" x 1/8" - HAGEMANN PLANT ONLY | |
| Gap Graded Gravel | 3/4 " x 1"- SUNSET HILLS PLANT ONLY | |
| Gap Graded Gravel | 1/2" x 3/4"- SUNSET HILLS PLANT ONLY | |
| Gap Graded Gravel | 1/4" x 1/2"- SUNSET HILLS PLANT ONLY | |
| Gap Graded Gravel | 1/8" x 1/4"- SUNSET HILLS PLANT ONLY | |
| 1/2" Meramec Chips | 1/2" x #4 Mesh (seal-coat)- SUNSET HILLS PLANT ONLY | |
| 5/16" Meramec Crushed | 5/16" x #50 Mesh - SUNSET HILLS PLANT ONLY | |
| Meramec Manufactured Sand | #8 Mesh x #80 Mesh - SUNSET HILLS PLANT ONLY | |
| Medium Meramec Sand | #4 Mesh x #100 Mesh | |
| Medium Meramec State Sand | Per Mo. Sec. 1005.2.4.1/AASHTO T 113 | |
| Fine Masonry Meramec Sand | #10 Mesh x #100 Mesh | |
| Sugar Meramec Sand | #30 Mesh X #200 Mesh | |
| Dried Sugar Meramec Sand | #30 Mesh X #200 Mesh - - SUNSET HILLS PLANT ONLY | |
| Fill Meramec Sand | #30 Mesh X #270 Mesh | |
| Unprocessed Meramec River-Run | 6" x #300 Mesh (unwashed) | |
| Unprocessed Meramec Oversize Gravel | 6" X 3" (unwashed) | |
Location & Description
Located at approximately the 14 mile mark of the Meramec River, a tributary of the Mississippi River, this alluvial deposit consists of about half sand and half gravel, is of glacial origin. Color ranges from light grey to buff to yellow and brown. The larger natural aggregate shape is rounded and smooth with some angularity but with out sharp edges. The sand aggregate has a large degree of angularity compared to that of the coarse aggregate, but the overall particle shape would be considered rounded. The natural sands that are produced from the Meramec River deposit are unique in regards to particle shape, uniformity and purity. When graded to meet industry specifications Meramec aggregates perform well in Portland cement mixes designed for roads, bridges, precast concrete and buildings or wherever a high-quality concrete is needed.
This hard durable mineral is ranked at a No.7 on MOHS scale of hardness. (Talc ranks No.1 and Diamond ranks a No.10)
Mining
The sand and gravel is extracted from the deposit by means of hydraulic suction dredge, loaded into barges and transported to the sorting plant by tow boats.
Processing
The main screening process produces six different sizes of coarse aggregates and three sizes of sand products. Once the sizing of aggregate is complete the material is transported by conveyor belts to stockpiles for customer use or for further processing at one of the company's three secondary plants. Secondary processing includes crushing of the larger aggregates and also specialty screening to produce gap graded gravel and sand. All of the products produced at this site are monitored by Winter Brothers technicians in the company's M.O.D.O.T. and I.D.O.T. certified laboratory.
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