Adding document parameters breaks the model

[jaredgibb]

[REQUIRED] Describe your environment

• Operating System version: MacOS
• Browser version: Latest version of google chrome
• Firebase library (firebase, firebase-admin, etc...) and version: 7.15.0
• GeoFirestore version: latest

I forked the viewers repository
i added my own firebase
I created my own collection of documents
I added 2 parameters 'city' and 'interestingFact'
the documents enter the collection just fine

Describe the bug

only my location appears. none of the markers I add appear

Steps to Reproduce

1. Go to '...'
2. Click on '....'
3. Scroll to '....'
4. See error

Relevant Code

jaredgibb.github.io/viewers/
^^^^^ all code can be found here ^^^^^^

function getInFirestore(location, city, interestingFact) {
  location.lat = Number(location.lat.toFixed(1));
  location.lng = Number(location.lng.toFixed(1));
  const hash = Geokit.hash(location);

  geoCollectionRef.doc(hash).get().then((snapshot) => {
    let data = snapshot.data();
    if (!data) {
      data = {
        city: city,
        interestingFact: interestingFact,
        coordinates: new firebase.firestore.GeoPoint(location.lat, location.lng)
      };
      console.log('Provided key is not in Firestore, adding document: ', JSON.stringify(data));
      createInFirestore(hash, data);
    } else {

      console.log('Provided key is in Firestore, updating document: ', JSON.stringify(data));
      updateInFirestore(hash, data);
    }
  }, (error) => {
    console.log('Error: ' + error);
  });
}

the original document that appears on the screen

this image demonstrates that the documents are created.

it seems like the code is only recieving 1 document. i'm so new to JS that i am lost. any help will be appreciated!