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Sterling in Logan County, Colorado — The American Mountains (Southwest)
 

I & M Building

 
 
I & M Building Marker image. Click for full size.
Photographed by Cosmos Mariner, July 7, 2021
1. I & M Building Marker
Inscription.
This property has been placed on the
National Register of Historic Places
by the United States Department of the Interior
 
Topics and series. This historical marker is listed in these topic lists: ArchitectureIndustry & CommerceNotable Buildings. In addition, it is included in the National Register of Historic Places (NRHP) series list. A significant historical year for this entry is 1920.
 
Location. 40° 37.419′ N, 103° 12.504′ W. Marker is in Sterling, Colorado, in Logan County. It is at the intersection of Main Street and South 3rd Street, on the left when traveling west on Main Street. The marker is mounted on the northwest corner of the building, facing Main Street. Touch for map. Marker is at or near this postal address: 223 Main Street, Sterling CO 80751, United States of America. Touch for directions.

Regionally, this marker is in the Eastern Plains. It is also in the American Mountain West, on the Great Plains, and specifically on the High Plains. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Louisiana Purchase.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Replica of the Statue of Liberty (about 300 feet away, measured in a direct line); Logan County Courthouse (about 300 feet away); Orville S. Johnson (1911-1987) and H. Catherine Johnson (1914-2003) (about 500 feet away); The South Platte River Valley (about 500 feet away); Sterling Union Pacific Railroad Depot (about 600 feet away); William Shaw Hadfield
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(about 600 feet away); Sterling Public Library (about 800 feet away); "Dinkey Engine" (approx. 0.4 miles away). Touch for a list and map of all markers in Sterling.
 
Regarding I & M Building. National Register of Historic Places № 82002305. Also Colorado State Register of Historic Properties Site № 5LO.152.
From the National Register Nomination prepared by Lydia F. Vandemoer and Langdon Morris, 4/1980:
The I & M Building is a two-story brick and limestone commercial building with Georgian Revival detailing. The ground floor of the building is composed of native limestone with large plate glass windows. The upper story is composed of brick laid in common bond on the west facade and in header and mosaic patterns on the north facade. The west facade is divided into twelve bays with pilaster divisions on the ground floor. The north facade has three bays with a large square central bay and flanking arch windows. The I & M Building is significant because of its fine architectural design and its association with two prominent Colorado businessmen, W.C. Harris and George Henderson.
W.C. Harris was born May 22, 1870, and came to Sterling with his parents in a covered wagon in 1875. He was
I & M Building image. Click for full size.
Photographed by Cosmos Mariner, July 7, 2021
2. I & M Building
Looking east along Main Street.
in the first graduating class of Logan County High School in 1890. He first taught school, clerked in a store, bought and sold produce, gathered and sold bones for fertilizer, and then entered the cattle business in 1906.
His fortunes grew and by 1914 he entered a partnership with Ora Haley of Denver and formed the Haley-Harris Co., a business of farming, ranching, and cattle feeding. It was a merger of extensive ranch and farm holdings in Colorado and Wyoming primarily and was recognized as one of the largest feeding operations in the United States. This partnership period lasted until 1920 and was dissolved due to the death of Ora Haley in December 1919. New companies were formed in the name of W.C. Harris Grain Company and W.C. Harris Cattle Company with holdings of grain elevators in Colorado, Nebraska, Illinois, Montana, Idaho, and California.
During this time of great prosperity, W.C. Harris began the building on May 20, 1919, on the corner of 3rd and Main Street. It was a two-story structure with the possibility of adding more stories. The architect was Eugene Groves of Denver, Colorado, and was to be earthquake and fireproof. With the many business ventures that W.C. Harris had undertaken it was necessary for him to borrow considerable amounts of money from the bank of Mr. George A. Henderson.
It was through a transfer of accounts that Mr. Henderson purchased
I & M Building (<i>northwest corner detail</i>) image. Click for full size.
Photographed by Cosmos Mariner, July 7, 2021
3. I & M Building (northwest corner detail)
From the National Register Nomination:  A unique feature of the building are the decorative carved limestone panels on the northwest and northeast corners of the ground floor which include such unusual motifs as eagles, Indian heads, buffalo heads and sheafs of wheat.
the partially constructed building on November 11, 1920. He named the building the I & M Building for his two daughters, Isabel and Mildred. Mr. Henderson finished the construction of the building and located his investment business in the corner office. The I & M Building remains one of the outstanding buildings in Sterling because of its superb construction and has been unaltered from its original appearance.

 
Also see . . .
1. I & M Building (Society of Architectural Historians).
(by Thomas J. Noel)  Excerpt:  Isabel and Mildred, daughters of banker George A. Henderson, were celebrated by this beauty, a two-story commercial building a half block wide and 20 feet deep. The first floor has large expanses of glass between classical limestone pilasters. Limestone bas-reliefs at the northeast and northwest corners contain images of an Indian, an eagle, buffalo, cattle, and wheat sheaves under a balustraded second story faced in brick. A wrought iron and glass awning tops the main entrance. Second-story brickwork on the narrow north facade is in mosaic patterns. The interior retains its marble floors, oak woodwork and wainscoting, ornate cast plaster ceiling, and the original elevator. Sound as well as beautiful, the building was designed for possible expansion
I & M Building Marker image. Click for full size.
Photographed by Cosmos Mariner, July 7, 2021
4. I & M Building Marker
Looking south along South 3rd Street. The marker is mounted at eye-level on the northwest corner of the building, facing Main Street.
to five stories.
(Submitted on November 25, 2025, by Cosmos Mariner of Cape Canaveral, Florida.) 

2. I & M Building (History Colorado).
Excerpt:  This 1920 two-story commercial building, with Georgian Revival detailing, was designed by Denver architect Eugene Groves.
(Submitted on November 25, 2025, by Cosmos Mariner of Cape Canaveral, Florida.) 
 
 
Credits. This page was last revised on November 25, 2025. It was originally submitted on November 24, 2025, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 148 times since then and 106 times this year. Photos:   1. submitted on November 24, 2025, by Cosmos Mariner of Cape Canaveral, Florida.   2, 3, 4. submitted on November 25, 2025, by Cosmos Mariner of Cape Canaveral, Florida.
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Jun. 5, 2026