While Mesoamerica had a fully fledged Precolumbian writing system, famously employed by the Maya but also by a few other cultures like the Zapotecs and Olmecs, north of Mexico we don't have any conclusive examples of writing. There definitely were a variety of record-keeping devices employed throughout the area. I'll focus on just the Eastern Woodlands here.

On the western edge of the region and into the Plains, we have winter counts. These were used to record histories in an abbreviated pictographic form. Typically a winter count was painted in a spiral on a large bison hide, with the earliest year in the center. Most commonly only one notable event was depicted each year, though a few cultures used two events (adding a summer marker to their histories). Sometimes these events are specific to the band that produces the count, such as the death of a notable individual; Sometimes an event is far reaching enough it warrants mention in many different counts. The winter of 1833-34 is an important one for syncing the various winter counts, since this is the year of the Leonid meteor storm which everyone in North America took note of. The oldest surviving winter count goes back to the early 19th Century, but since winter counts were constantly being copied, the oldest event recorded on one goes back to the 9th or 10th Century.

Skipping over the east coast, the Powhatan of Virginia used a similar method of recording history, only they did so on long calendar sticks. Like winter counters, each year is depicted by a particularly notable event, occasionally in symbolic terms. For example, the year 1603 is denoted by a smoke-breathing swan, representing the sailing ships and firearms of the newly arrived English colonists.

The Mississippian cultures of the Southeast had a variety of copper plates and plaques, depicting an assortment of religious iconography and artistic motifs. Here you can see some modern recreations of a variety of copper plaques found at the Spiro site. Creek and Shawnee oral history both mention copper plates being used to record the histories of their nations until they were lost in the turmoil of the colonial era. So far we haven't found any copper plates with markings complex enough to possibly be a writing system, so these copper histories were likely iconographic as well.

The Haudenosaunee (Iroquois) and their neighbors in the Northeast used strings and belts of wampum (shell beads) to create mnemonic devices to record things like peace treaties. The most famous example is the Hiawatha Belt, which depicts four white rectangles with a white pine tree in the middle of a field of purple. The whole thing is symbolic of the narrative concerning the formation of the confederacy, but you really have to know that story in advanced to understand what its parts mean.

Finally, we get to the birchbark scrolls and Mi'kmaq heiroglyphics. When the French missionary Le Clercq came to Canada in the 1670s, he noticed the Mi'kmaq using a variety of hieroglyphs to record information. Unfortunately, he hijacked that system for his own mission so fast that we're not sure these days whether it was a proper writing system before he got a hold of it and developed it further. It certainly was by the time he was done with it. Similar symbols are found on the birchbark scrolls made by the Ojibwe. While historically, the Ojibwe and the other members of the Three Fires Confederacy (the Odawa and the Potawatomi) are associated with the western Great Lakes, not too far into the pre-colonial era they were living further east, close to Mi'kmaq territory. The word "Ojibwe" essentially means "Writer", denoting that nations responsibility within the confederacy for maintaining the scrolls. The oldest surviving birchbark scroll is from the 1500s, post-Columbian but pre-dating European presence in the area. While these old scrolls do seem to contain complex information, they've not been fully deciphered to know whether they're a true writing system or a particularly complex mnemonic device.