


Location and product.
“Lohrum, John C. (L, 17): - Mr. Lohrum has a quarry, situated in the face of the Mississippi river bluff, near the foot of Cahokia street, and on the Iron Mountain and Southern railway. The chief product is macadam and building stone; but some paving and dimension stone is quarried. The section here is about like that given below, at Martin Lorentz’ quarry,* although it is a little higher in the series, and a few different ledges come in at the base. The quarry has a face of three hundred feet in length. It was opened in 1883.
(* See the entry: “St. Louis, St. Louis County, Missouri - the Martin Lorentz Quarry.”) ”
“This quarry, which is owned by John C. Lohrum and operated by John A. Lohrum, is located at the foot of Osage street. It is situated on the bluff just west of the Iron Mountain railroad. The following is a description of the beds from top to bottom:
10 ft. - Decomposed, gray limestone.
5 ft. - Compact, white limestone in beds from six to twelve inches in thickness. This and the ledge above do not occur at the south end of the quarry.
7 ft. - Blue limestone. Splits two feet from the bottom, along a thin bed of flint. Building stone is obtained from this ledge.
4 ft. - Flinty, gray limestone. Used for crushing.
2 ft. 6 in. - Solid bed of limestone, used for building.
5 ft. - Compact, gray limestone, used for building.
6 in. - Fine grained, bluish limestone.
4 ft. - Finely crystalline, blue limestone. Consists of a two foot bed and four six inch beds.
3 ft. - Flinty, white limestone, used for crushing.
12 ft. - Thinly bedded, shelly, gray limestone, used for crushing.
“This quarry is covered with very heavy stripping, which is increasing as the work is extended to the west. Most of the stone is now crushed for macadam, although a number of the beds make very good rubble.
“The quarry is equipped with a No. 4 crusher and accessories, a steam drill, engine and boiler. Four sizes of crushed stone are manufactured, three inch, one and one-half inch, screenings and dust. The dust is used in the construction of asphalt pavements. Considerable of the crushed stone has been shipped to Arkansas.”
Location.
“Lorentz, Martin (L, 17): - This quarry is situated by the side of the Iron Mountain & Southern railway track, near Cahokia street. It is one of the series of quarries which are worked in the face of the Mississippi river bluffs, and may be seen in the illustration on page 41 (see below). The principal product is building stone and macadam. The following section,* in descending series, shows the character of the material used: -
(* Page 54 footnote: For the results of analyses of average samples of the beds of this section, see page 76. - See table below.)
Section.
- Loess, the stripping - 10-30 feet.
- Drift of pebbles - 1 foot.
- Limestone (Analysis No. 20), light gray, darker towards top, fine grained - 1 foot, 6 inches.
- Limestone (Analysis No. 21), like No. 3 - 1 foot, 10 inches.
- Limestone (Analysis No. 22), light, yellow and gray, soft - 8 inches.
- Limestone (Analysis No. 23), light and dark gray, varying texture, compact, brittle, hard - 2 feet, 10 inches.
- Limestone (Analysis No. 24), gray, fine grained, jointed - 2 feet, 6 inches.
- Limestone (Analysis No. 25), light gray, fine grained, color and texture somewhat variable - 2 feet 6 inches.
- Limestone (Analysis No. 26), dull gray to yellowish, harder towards base - 4 feet, 2 inches.
- Limestone (Analysis No. 27), brownish and gray, coarse grained, shaly near top, two layers varying in thickness - 3 feet.
- Limestone (Analysis No. 28), like No. 10 - 2 feet, 4 inches.
- Limestone (Analysis NO. 29), dull gray, very fine grained - 5 inches.
- Limestone (Analysis No. 30,), drab, hard, brittle, lithographic - 11 inches.
- Shale - 1 inch.
- Limestone (Analysis No. 31), gray, hard - 9 inches.
- Limestone (Analysis No. 32), light drab, with dark bands - 1 foot, 10 inches.
- Limestone (Analysis No. 33), dark gray, carries layer of chert - 3 feet, 11 inches.
- Limestone (Analysis No. 34), light drab, fine grained, layer of chert three feet from base varying in thickness - 8 feet, 2 inches.
- Limestone (Analysis No. 35), dark gray, geodes, lined with calcite crystals - 8 inches.
- Limestone (Analysis No. 36), light gray, soft chert, concretions near top - 2 feet.
- Limestone (Analysis No. 37), gray, coarse grained - 1 foot, 10 inches.
- Limestone (Analysis No. 38), like last, but poorer quality - 10 inches.
- Limestone (Analysis No. 39), dark gray to brownish, lower sixteen inches cherty - 4 feet.
- Limestone (Analysis No. 40), brown, otherwise like No. 23 - 3 feet, 9 inches.
- Limestone (Analysis No. 41), drab, hard, brittle, fine grained, lithographic - 1 foot, 6 inches.
- Limestone (Analysis No. 42), dark gray, coarse grained, hard, in three ledges - 3 feet, 4 inches.
Total thickness of rock - 56 feet, 4 inches.”
Ludlow Saylor Wire Co., St. Louis, MO.
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