Hello. You have not shown the sources to which this question refers, which makes it impossible for the question to be answered accurately. However, I will try to help you in the best possible way.
A source that helps you to visualize a moment well, is one that presents a highly descriptive language that presents a large number of adjectives that inform you of many characteristics of that event, thus allowing you to form a mental image of what happened. Therefore, you should look for this type of language in your sources to find out which is the most efficient.
The great peril happened in on October 8, 1871 and burned through the heart of Chicago.
- The fire burnt for more than 24 hours, killed more than 300 people and destroyed more than 17,500 buildings.
- The aftermath of the accident left four square miles of Windy City including its business district in total ruins.
- The mayor of Chicago who was "Roswell B. Mason" lived in Chicago at the time of the fire in 1871
Learn more about the Chicago Fire of 1871 here
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Was located on the banks of the river Ravi